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Invasive.org - Center for Invasive Species and Ecosystem Health


Joseph O'Brien's Images


Title: Plant Pathologist
Organization: USDA Forest Service
Unit: Forest Health Protection
Country: United States
   
Joe is a plant pathologist with the U.S. Forest Service in St. Paul, Minnesota. in addition to photography, his major interests include tree diseases in forests, woodlands and urban areas, hazard tree identification and mitigation, and mycology. Joe is a graduate of the University of Michigan (B.S. Forestry and M.S. Forest Pathology) and the University of Minnesota (Ph.D. Plant Pathology), and currently works at the Northern Research Station on the University of Minnesota's St. Paul campus.

2504 Records
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Image Subject Scientific Name Descriptor
5027036 balsam fir Abies balsamea (L.) P. Mill. Flower(s)
5027037 balsam fir Abies balsamea (L.) P. Mill. Flower(s)
5027038 balsam fir Abies balsamea (L.) P. Mill. Foliage
5045071 Norway maple Acer platanoides L. Foliage
5045073 Norway maple Acer platanoides L. Foliage
5031032 red maple Acer rubrum L. Foliage
5035057 red maple Acer rubrum L. Foliage
5035058 red maple Acer rubrum L. Foliage
5036071 sugar maple Acer saccharum Marshall Seedling(s)
5032015 sugar maple Acer saccharum Marshall Foliage
5032016 sugar maple Acer saccharum Marshall Seedling(s)
5039026 maple Acer spp. L. Foliage
5028005 maple Acer spp. L. Tree(s)
5029069 maple Acer spp. L. Stand
5030036 maple Acer spp. L. Foliage
5030037 maple Acer spp. L. Feature(s)
5045049 maple Acer spp. L. Foliage
5045050 maple Acer spp. L. Fruit(s)
5050024 cooley spruce gall adelgid Adelges cooleyi (Gillette) Infestation
5050025 cooley spruce gall adelgid Adelges cooleyi (Gillette) Infestation
5050026 cooley spruce gall adelgid Adelges cooleyi (Gillette) Infestation
5050027 cooley spruce gall adelgid Adelges cooleyi (Gillette) Infestation
1397022 northern maidenhair fern Adiantum pedatum L. Plant(s)
5038030 croftonweed Ageratina adenophora (Spreng.) King & H.E. Robins. Field
5038031 croftonweed Ageratina adenophora (Spreng.) King & H.E. Robins. Field
5033040 bronze birch borer Agrilus anxius Gory Galleries
5037072 twolined chestnut borer Agrilus bilineatus (Weber) Damage
5042031 twolined chestnut borer Agrilus bilineatus (Weber) Damage
5042032 twolined chestnut borer Agrilus bilineatus (Weber) Damage
5061003 twolined chestnut borer Agrilus bilineatus (Weber) Galleries
5061004 twolined chestnut borer Agrilus bilineatus (Weber) Galleries
5061005 twolined chestnut borer Agrilus bilineatus (Weber) Galleries
5061006 twolined chestnut borer Agrilus bilineatus (Weber) Damage
5061008 twolined chestnut borer Agrilus bilineatus (Weber) Damage
5038045 emerald ash borer Agrilus planipennis Fairmaire Damage
5038046 emerald ash borer Agrilus planipennis Fairmaire Galleries
5038047 emerald ash borer Agrilus planipennis Fairmaire Damage
5038048 emerald ash borer Agrilus planipennis Fairmaire Damage
5038049 emerald ash borer Agrilus planipennis Fairmaire Damage
5038050 emerald ash borer Agrilus planipennis Fairmaire Damage
5038051 emerald ash borer Agrilus planipennis Fairmaire Damage
5038052 emerald ash borer Agrilus planipennis Fairmaire Galleries
5038053 emerald ash borer Agrilus planipennis Fairmaire Galleries
5038054 emerald ash borer Agrilus planipennis Fairmaire Galleries
5038055 emerald ash borer Agrilus planipennis Fairmaire Galleries
5038056 emerald ash borer Agrilus planipennis Fairmaire Galleries
5038057 emerald ash borer Agrilus planipennis Fairmaire Galleries
5038058 emerald ash borer Agrilus planipennis Fairmaire Galleries
5038059 emerald ash borer Agrilus planipennis Fairmaire Galleries
5038060 emerald ash borer Agrilus planipennis Fairmaire Galleries
5038061 emerald ash borer Agrilus planipennis Fairmaire Adult(s)
1301042 emerald ash borer Agrilus planipennis Fairmaire Damage
1301043 emerald ash borer Agrilus planipennis Fairmaire Damage
1301044 emerald ash borer Agrilus planipennis Fairmaire Galleries
1301045 emerald ash borer Agrilus planipennis Fairmaire Damage
1301046 emerald ash borer Agrilus planipennis Fairmaire Galleries
5029025 emerald ash borer Agrilus planipennis Fairmaire Damage
5029026 emerald ash borer Agrilus planipennis Fairmaire Damage
5033001 crown gall Agrobacterium tumefaciens (E. F. Smith & Town.) Symptoms
5027069 smooth patch of oak Aleurodiscus oakesii Wakefield Fruiting Bodies
5027070 smooth patch of oak Aleurodiscus oakesii Wakefield Fruiting Bodies
5058091 smooth patch of oak Aleurodiscus oakesii Wakefield Sign
5047051 smooth patch of oak Aleurodiscus oakesii Wakefield Symptoms
5035033 hazel alder Alnus serrulata (Ait.) Willd. Fruit(s)
5035034 hazel alder Alnus serrulata (Ait.) Willd. Fruit(s)
5047052 cleft-foot amanita Amanita brunnescens G.F. Atk. Fruiting Bodies
5047053 tawny grisette Amanita fulva (Schaeff.) Fr. Fruiting Bodies
5047054 fly agaric Amanita muscaria muscaria (L. ex Fr.) Persoon ex W. J. Hooker Fruiting Bodies
5047055 fly agaric Amanita muscaria muscaria (L. ex Fr.) Persoon ex W. J. Hooker Fruiting Bodies
5047056 fly agaric Amanita muscaria muscaria (L. ex Fr.) Persoon ex W. J. Hooker Fruiting Bodies
5047057 fly agaric Amanita muscaria muscaria (L. ex Fr.) Persoon ex W. J. Hooker Fruiting Bodies
5047058 fly agaric Amanita muscaria muscaria (L. ex Fr.) Persoon ex W. J. Hooker Fruiting Bodies
5047059 fly agaric Amanita muscaria muscaria (L. ex Fr.) Persoon ex W. J. Hooker Fruiting Bodies
5047060 fly agaric Amanita muscaria muscaria (L. ex Fr.) Persoon ex W. J. Hooker Fruiting Bodies
5047061 fly agaric Amanita muscaria muscaria (L. ex Fr.) Persoon ex W. J. Hooker Fruiting Bodies
5047062 fly agaric Amanita muscaria muscaria (L. ex Fr.) Persoon ex W. J. Hooker Fruiting Bodies
5047063 fly agaric Amanita muscaria muscaria (L. ex Fr.) Persoon ex W. J. Hooker Feature(s)
1301030 fly agaric Amanita muscaria muscaria (L. ex Fr.) Persoon ex W. J. Hooker Fruiting Bodies
5251043 Amanita mushroom Amanita spp. Pers. Fruiting Bodies
5042071 destroying angel Amanita virosa (Fr.) Bertill. Fruiting Bodies
5047064 destroying angel Amanita virosa (Fr.) Bertill. Fruiting Bodies
5047065 destroying angel Amanita virosa (Fr.) Bertill. Fruiting Bodies
5050030 destroying angel Amanita virosa (Fr.) Bertill. Fruiting Bodies
5050031 destroying angel Amanita virosa (Fr.) Bertill. Fruiting Bodies
1377001 wood anemone Anemone quinquefolia L. Flower(s)
1198028 Eastern filbert blight Anisogramma anomala (Peck) E. Müll. Symptoms
5050032 Eastern filbert blight Anisogramma anomala (Peck) E. Müll. Symptoms
5050033 Eastern filbert blight Anisogramma anomala (Peck) E. Müll. Symptoms
5050034 Eastern filbert blight Anisogramma anomala (Peck) E. Müll. Symptoms
5047066 Eastern filbert blight Anisogramma anomala (Peck) E. Müll. Symptoms
5047067 Eastern filbert blight Anisogramma anomala (Peck) E. Müll. Symptoms
5047068 Eastern filbert blight Anisogramma anomala (Peck) E. Müll. Symptoms
5047069 Eastern filbert blight Anisogramma anomala (Peck) E. Müll. Symptoms
5047070 Eastern filbert blight Anisogramma anomala (Peck) E. Müll. Symptoms
5044094 Hypoxylon canker Annulohypoxylon thouarsianum var. thouarsianum (Lév.) Y.M. Ju, J.D. Rogers & H.M. Hsieh Fruiting Bodies
1427089 Hypoxylon canker Annulohypoxylon thouarsianum var. thouarsianum (Lév.) Y.M. Ju, J.D. Rogers & H.M. Hsieh Sign
1427037 Hypoxylon canker Annulohypoxylon thouarsianum var. thouarsianum (Lév.) Y.M. Ju, J.D. Rogers & H.M. Hsieh Sign
1427066 Hypoxylon canker Annulohypoxylon thouarsianum var. thouarsianum (Lév.) Y.M. Ju, J.D. Rogers & H.M. Hsieh Sign
5032069 Asian long-horned beetle Anoplophora glabripennis (Motschulsky) Damage
5034094 oak anthracnose Apiognomonia errabunda (Roberge ex Desm.) Höhn. Symptoms
5034096 oak anthracnose Apiognomonia errabunda (Roberge ex Desm.) Höhn. Symptoms
5030045 oak anthracnose Apiognomonia errabunda (Roberge ex Desm.) Höhn. Symptoms
5030046 oak anthracnose Apiognomonia errabunda (Roberge ex Desm.) Höhn. Symptoms
5030047 oak anthracnose Apiognomonia errabunda (Roberge ex Desm.) Höhn. Symptoms
5030049 oak anthracnose Apiognomonia errabunda (Roberge ex Desm.) Höhn. Symptoms
5030050 oak anthracnose Apiognomonia errabunda (Roberge ex Desm.) Höhn. Symptoms
5030052 oak anthracnose Apiognomonia errabunda (Roberge ex Desm.) Höhn. Symptoms
5030057 oak anthracnose Apiognomonia errabunda (Roberge ex Desm.) Höhn. Symptoms
1198010 oak anthracnose Apiognomonia errabunda (Roberge ex Desm.) Höhn. Symptoms
5056044 oak anthracnose Apiognomonia errabunda (Roberge ex Desm.) Höhn. Symptoms
5056046 oak anthracnose Apiognomonia errabunda (Roberge ex Desm.) Höhn. Symptoms
5056050 oak anthracnose Apiognomonia errabunda (Roberge ex Desm.) Höhn. Symptoms
5056051 oak anthracnose Apiognomonia errabunda (Roberge ex Desm.) Höhn. Symptoms
5056052 oak anthracnose Apiognomonia errabunda (Roberge ex Desm.) Höhn. Symptoms
5059038 sycamore anthracnose Apiognomonia veneta (Sacc. & Speg.) Hohn. Symptoms
5059039 sycamore anthracnose Apiognomonia veneta (Sacc. & Speg.) Hohn. Symptoms
5059040 sycamore anthracnose Apiognomonia veneta (Sacc. & Speg.) Hohn. Symptoms
1198007 sycamore anthracnose Apiognomonia veneta (Sacc. & Speg.) Hohn. Symptoms
5048008 bronze leaf disease Apioplagiostoma populi (E.K. Cash & Waterman) M.E. Barr Symptoms
5048009 bronze leaf disease Apioplagiostoma populi (E.K. Cash & Waterman) M.E. Barr Symptoms
5047074 black knot Apiosporina morbosa (Schwein.:Fr.) Arx Sign
5047075 black knot Apiosporina morbosa (Schwein.:Fr.) Arx Symptoms
5047076 black knot Apiosporina morbosa (Schwein.:Fr.) Arx Symptoms
5047077 black knot Apiosporina morbosa (Schwein.:Fr.) Arx Symptoms
5042095 black knot Apiosporina morbosa (Schwein.:Fr.) Arx Symptoms
1198023 black knot Apiosporina morbosa (Schwein.:Fr.) Arx Symptoms
5028014 black knot Apiosporina morbosa (Schwein.:Fr.) Arx Symptoms
5028015 black knot Apiosporina morbosa (Schwein.:Fr.) Arx Sign
5028016 black knot Apiosporina morbosa (Schwein.:Fr.) Arx Fruiting Bodies
5028017 black knot Apiosporina morbosa (Schwein.:Fr.) Arx Fruiting Bodies
5027084 black knot Apiosporina morbosa (Schwein.:Fr.) Arx Sign
5042100 black knot Apiosporina morbosa (Schwein.:Fr.) Arx Sign
5037071 black knot Apiosporina morbosa (Schwein.:Fr.) Arx Symptoms
5033029 eastern dwarf mistletoe Arceuthobium pusillum Peck Infestation
5033030 eastern dwarf mistletoe Arceuthobium pusillum Peck Infestation
5033031 eastern dwarf mistletoe Arceuthobium pusillum Peck Infestation
5033032 eastern dwarf mistletoe Arceuthobium pusillum Peck Infestation
5033034 eastern dwarf mistletoe Arceuthobium pusillum Peck Infestation
5033035 eastern dwarf mistletoe Arceuthobium pusillum Peck Infestation
5032074 eastern dwarf mistletoe Arceuthobium pusillum Peck Sign
5032075 eastern dwarf mistletoe Arceuthobium pusillum Peck Plant(s)
5032076 eastern dwarf mistletoe Arceuthobium pusillum Peck Plant(s)
5032077 eastern dwarf mistletoe Arceuthobium pusillum Peck Plant(s)
5027087 eastern dwarf mistletoe Arceuthobium pusillum Peck Sign
5027089 eastern dwarf mistletoe Arceuthobium pusillum Peck Sign
5027090 eastern dwarf mistletoe Arceuthobium pusillum Peck Sign
1377005 eastern dwarf mistletoe Arceuthobium pusillum Peck Damage
1377006 eastern dwarf mistletoe Arceuthobium pusillum Peck Damage
1377003 eastern dwarf mistletoe Arceuthobium pusillum Peck Plant(s)
5044031 eastern dwarf mistletoe Arceuthobium pusillum Peck Sign
5044032 eastern dwarf mistletoe Arceuthobium pusillum Peck Sign
5251050 eastern dwarf mistletoe Arceuthobium pusillum Peck Sign
5251051 eastern dwarf mistletoe Arceuthobium pusillum Peck Sign
5251052 eastern dwarf mistletoe Arceuthobium pusillum Peck Sign
5251053 eastern dwarf mistletoe Arceuthobium pusillum Peck Sign
5251054 eastern dwarf mistletoe Arceuthobium pusillum Peck Sign
5251055 eastern dwarf mistletoe Arceuthobium pusillum Peck Sign
5251056 eastern dwarf mistletoe Arceuthobium pusillum Peck Sign
5251057 eastern dwarf mistletoe Arceuthobium pusillum Peck Sign
5251058 eastern dwarf mistletoe Arceuthobium pusillum Peck Sign
5252032 eastern dwarf mistletoe Arceuthobium pusillum Peck Sign
5252033 eastern dwarf mistletoe Arceuthobium pusillum Peck Flower(s)
5252034 eastern dwarf mistletoe Arceuthobium pusillum Peck Flower(s)
5252035 eastern dwarf mistletoe Arceuthobium pusillum Peck Flower(s)
5252036 eastern dwarf mistletoe Arceuthobium pusillum Peck Flower(s)
5252037 eastern dwarf mistletoe Arceuthobium pusillum Peck Flower(s)
5252038 eastern dwarf mistletoe Arceuthobium pusillum Peck Flower(s)
5252039 eastern dwarf mistletoe Arceuthobium pusillum Peck Flower(s)
5252040 eastern dwarf mistletoe Arceuthobium pusillum Peck Flower(s)
5033088 ponderosa pine dwarf mistletoe Arceuthobium vaginatum (Willd.) J. Presl Plant(s)
5029022 pineland dwarf mistletoe Arceuthobium vaginatum ssp. cryptopodum (Engelm.) Hawksw. & Wiens Plant(s)
5029023 pineland dwarf mistletoe Arceuthobium vaginatum ssp. cryptopodum (Engelm.) Hawksw. & Wiens Fruit(s)
5037092 Pacific banana slug Ariolimax columbianus (Gould, 1851) Adult(s)
5027092 Armillaria root rot Armillaria gallica Marxm. & Romagn. Sign
5027093 Armillaria root rot Armillaria gallica Marxm. & Romagn. Sign
5027094 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Feature(s)
5027095 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5027091 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
1397105 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Symptoms
1301008 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
1301005 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Fruiting Bodies
1397058 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Symptoms
1397108 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Symptoms
5037073 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5037074 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5042075 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Fruiting Bodies
5042076 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5032078 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5032079 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5032080 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Fruiting Bodies
5032081 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Fruiting Bodies
5032082 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Symptoms
5032083 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5032084 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5032085 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Symptoms
5032086 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Symptoms
5032087 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5032088 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5032089 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Symptoms
5032090 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5032091 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5032092 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5032093 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Feature(s)
5043046 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Symptoms
5047083 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5047084 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5047085 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Fruiting Bodies
5047086 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Feature(s)
5047087 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Feature(s)
5047088 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Fruiting Bodies
5047089 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Fruiting Bodies
5047090 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Symptoms
5047092 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Fruiting Bodies
5298051 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5298052 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5298067 Armillaria root rots Armillaria spp. (Fr.:Fr) Staude Sign
5048010 powdery piggyback Asterophora lycoperdoides (Bull.) Ditmar Fruiting Bodies
5048011 powdery piggyback Asterophora lycoperdoides (Bull.) Ditmar Fruiting Bodies
5048012 powdery piggyback Asterophora lycoperdoides (Bull.) Ditmar Fruiting Bodies
5028001 wood ear Auricularia auricula-judae (Fr.) Quél. Fruiting Bodies
5028002 wood ear Auricularia auricula-judae (Fr.) Quél. Fruiting Bodies
5028003 wood ear Auricularia auricula-judae (Fr.) Quél. Fruiting Bodies
5037094 white muscadine disease Beauveria bassiana (Bals.-Criv.) Vuill. Sign
5037095 white muscadine disease Beauveria bassiana (Bals.-Criv.) Vuill. Sign
5252022 white muscadine disease Beauveria bassiana (Bals.-Criv.) Vuill. Sign
5033014 yellow birch Betula alleghaniensis Britt. Bark
1377004 yellow birch Betula alleghaniensis Britt. Bark
1397011 paper birch Betula papyrifera Marsh. Tree(s)
5028010 paper birch Betula papyrifera Marsh. Bark
5028011 paper birch Betula papyrifera Marsh. Bark
5033021 paper birch Betula papyrifera Marsh. Stand
5028013 paper birch Betula papyrifera Marsh. Stand
5042092 paper birch Betula papyrifera Marsh. Tree(s)
5042093 paper birch Betula papyrifera Marsh. Stand
5042094 paper birch Betula papyrifera Marsh. Stand
5033020 birch Betula spp. L. Bark
5035044 birch Betula spp. L. Bark
1397098 birch Betula spp. L. Bark
5053098 Hypoxylon canker of oak Biscogniauxia atropunctata atropunctata (Schwein.) Pouzar Symptoms
5053099 Hypoxylon canker of oak Biscogniauxia atropunctata atropunctata (Schwein.) Pouzar Symptoms
5053100 Hypoxylon canker of oak Biscogniauxia atropunctata atropunctata (Schwein.) Pouzar Symptoms
5054001 Hypoxylon canker of oak Biscogniauxia atropunctata atropunctata (Schwein.) Pouzar Symptoms
5054002 Hypoxylon canker of oak Biscogniauxia atropunctata atropunctata (Schwein.) Pouzar Symptoms
5054003 Hypoxylon canker of oak Biscogniauxia atropunctata atropunctata (Schwein.) Pouzar Symptoms
5049016 yellow fairy cups Bisporella citrina (Batsch) Korf & S. E. Carp. Fruiting Bodies
5049017 yellow fairy cups Bisporella citrina (Batsch) Korf & S. E. Carp. Fruiting Bodies
5049018 yellow fairy cups Bisporella citrina (Batsch) Korf & S. E. Carp. Fruiting Bodies
5033023 yellow fairy cups Bisporella citrina (Batsch) Korf & S. E. Carp. Fruiting Bodies
5049031 Blumeriella leaf spot of cherry and plum Blumeriella jaapii (Rehm) Arx Symptoms
5049032 Blumeriella leaf spot of cherry and plum Blumeriella jaapii (Rehm) Arx Symptoms
5045001 king bolete Boletus edulis Bull. Fruiting Bodies
5033036 Boletus mushroom Boletus spp. Fr. Fruiting Bodies
5038012 cattle Bos spp. Linnaeus, 1758 Adult(s)
5028052 yellow marsh marigold Caltha palustris L. Plant(s)
5028053 yellow marsh marigold Caltha palustris L. Flower(s)
5028054 yellow marsh marigold Caltha palustris L. Flower(s)
5028055 yellow marsh marigold Caltha palustris L. Plant(s)
1377007 yellow marsh marigold Caltha palustris L. Flower(s)
1377008 yellow marsh marigold Caltha palustris L. Plant(s)
5049055 yellow marsh marigold Caltha palustris L. Plant(s)
5049056 purple-spored puffball Calvatia cyathiforme (Bosc) Morgan Fruiting Bodies
1397092 carpenter ants Camponotus spp. Mayr, 1861 Galleries
5049058 chanterelle Cantharellus cibarius Fr. Fruiting Bodies
5297089 American chestnut Castanea dentata (Marsh.) Borkh. Research
5297090 American chestnut Castanea dentata (Marsh.) Borkh. Research
5297091 American chestnut Castanea dentata (Marsh.) Borkh. Research
5297099 American chestnut Castanea dentata (Marsh.) Borkh. Tree(s)
5298004 American chestnut Castanea dentata (Marsh.) Borkh. Tree(s)
5298005 American chestnut Castanea dentata (Marsh.) Borkh. Tree(s)
5033017 American beaver Castor canadensis Frazier Damage
5033018 American beaver Castor canadensis Frazier Feature(s)
5033019 American beaver Castor canadensis Frazier Damage
5297087 American beaver Castor canadensis Frazier Habitat
1397024 southern catalpa Catalpa bignonioides Walt. Tree(s)
5049062 northern catalpa Catalpa speciosa (Warder) Warder ex Engelm. Tree(s)
5029067 common hackberry Celtis occidentalis L. Tree(s)
5034019 common hackberry Celtis occidentalis L. Bark
5034061 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Equipment
5034085 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt People
5034086 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Display or Sign
5032025 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5032042 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5038013 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Feature(s)
5038014 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Culture
5038015 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5038074 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5042040 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5039061 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5039062 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5039063 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5039064 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5039065 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5039070 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5039071 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt People
5039073 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5039074 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5039079 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5039080 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5039081 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5039083 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Sexual Spore
5039084 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5039087 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5039089 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5039095 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5039096 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5039097 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5039098 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5039099 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5039100 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5040002 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5040010 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5040017 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Survey
5040020 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Equipment
5040023 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5040024 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5040025 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5040027 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5040028 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5040033 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Sign
5030068 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Equipment
5030069 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5030070 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Display or Sign
5030071 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5030072 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5030073 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5030075 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5030077 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5030078 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5030079 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5030081 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
5030084 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Display or Sign
1301040 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Control
1301059 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
1301020 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
1301033 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5045006 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5045080 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5045081 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5045082 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5045083 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5046003 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5046017 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5055016 oak wilt Ceratocystis fagacearum (T. W. Bretz) J. Hunt Symptoms
5034041 black rot Ceratocystis fimbriata (Ellis & Halst.) Sacc. Symptoms
5042099 blue stain Ceratocystis tenella Davidson Tree(s)
5044002 canker rot Cerrena unicolor (Bull.) Murrill Fruiting Bodies
5049065 canker rot Cerrena unicolor (Bull.) Murrill Fruiting Bodies
5049066 canker rot Cerrena unicolor (Bull.) Murrill Fruiting Bodies
1301024 canker rot Cerrena unicolor (Bull.) Murrill Fruiting Bodies
1198026 canker rot Cerrena unicolor (Bull.) Murrill Fruiting Bodies
1198015 canker rot Cerrena unicolor (Bull.) Murrill Fruiting Bodies
1301067 canker rot Cerrena unicolor (Bull.) Murrill Fruiting Bodies
5028067 canker rot Cerrena unicolor (Bull.) Murrill Fruiting Bodies
5028025 leatherleaf Chamaedaphne calyculata (L.) Moench Flower(s)
5048074 twicestabbed lady beetle Chilocorus stigma (Say) Adult(s)
5049073 blue stain Chlorociboria aeruginascens (Nyl.) Kanouse ex C.S. Ramamurthi, Korf & L.R. Batra Fruiting Bodies
5028072 blue stain Chlorociboria aeruginascens (Nyl.) Kanouse ex C.S. Ramamurthi, Korf & L.R. Batra Symptoms
5028073 blue stain Chlorociboria aeruginascens (Nyl.) Kanouse ex C.S. Ramamurthi, Korf & L.R. Batra Symptoms
1198019 blue stain Chlorociboria aeruginascens (Nyl.) Kanouse ex C.S. Ramamurthi, Korf & L.R. Batra Fruiting Bodies
5033043 blue stain Chlorociboria aeruginascens (Nyl.) Kanouse ex C.S. Ramamurthi, Korf & L.R. Batra Symptoms
5033044 blue stain Chlorociboria aeruginascens (Nyl.) Kanouse ex C.S. Ramamurthi, Korf & L.R. Batra Symptoms
1301002 Chlorociboria fungus Chlorociboria aeruginosa (Oeder) Seaver ex C.S. Ramamurthi, Korf & L.R. Batra Feature(s)
5049074 silverleaf Chondrostereum purpureum (Pers.) Pouzar Fruiting Bodies
1377036 spruce budworm Choristoneura fumiferana (Clemens) Damage
5042004 spruce budworm Choristoneura fumiferana (Clemens) Damage
5036020 spruce budworm Choristoneura fumiferana (Clemens) Damage
5036021 spruce budworm Choristoneura fumiferana (Clemens) Damage
5036022 spruce budworm Choristoneura fumiferana (Clemens) Damage
5036023 spruce budworm Choristoneura fumiferana (Clemens) Damage
5036025 spruce budworm Choristoneura fumiferana (Clemens) Feature(s)
5036026 spruce budworm Choristoneura fumiferana (Clemens) Larva(e)
5036029 spruce budworm Choristoneura fumiferana (Clemens) Damage
5039001 jack pine budworm Choristoneura pinus Freeman Damage
5054091 jack pine budworm Choristoneura pinus Freeman Damage
5054079 jack pine budworm Choristoneura pinus Freeman Damage
5034070 spruce broom rust Chrysomyxa arctostaphyli Dietel Symptoms
5043010 rust Chrysomyxa ledi var. rhododendri (DC.) Savile Sign
5028027 British soldier lichen Cladonia cristatella Tuck. Fruiting Bodies
5028028 British soldier lichen Cladonia cristatella Tuck.
5049079 strap coral Clavariadelphus ligula (Schaeff.) Donk Fruiting Bodies
5049080 strap coral Clavariadelphus ligula (Schaeff.) Donk Fruiting Bodies
5049081 strap coral Clavariadelphus ligula (Schaeff.) Donk Fruiting Bodies
5049082 crown coral mushroom Clavicorona pyxidata (Pers.) Doty Fruiting Bodies
5033045 crested coral Clavulina coralloides (L.) J. Schrött Fruiting Bodies
5033046 crested coral Clavulina coralloides (L.) J. Schrött Fruiting Bodies
5033048 crested coral Clavulina coralloides (L.) J. Schrött Fruiting Bodies
5043089 yellow spindle coral Clavulinopsis fusiformis (Sowerby) Corner Fruiting Bodies
5028074 narrowleaf spring-beauty Claytonia virginica L. Flower(s)
5028075 narrowleaf spring-beauty Claytonia virginica L. Flower(s)
1377010 narrowleaf spring-beauty Claytonia virginica L. Flower(s)
1301069 northern tooth Climacodon septentrionalis (Fr.) P. Karst. Fruiting Bodies
1301065 northern tooth Climacodon septentrionalis (Fr.) P. Karst. Fruiting Bodies
1301028 northern tooth Climacodon septentrionalis (Fr.) P. Karst. Fruiting Bodies
1198025 northern tooth Climacodon septentrionalis (Fr.) P. Karst. Fruiting Bodies
5028081 northern tooth Climacodon septentrionalis (Fr.) P. Karst. Fruiting Bodies
5049083 northern tooth Climacodon septentrionalis (Fr.) P. Karst. Fruiting Bodies
5049084 northern tooth Climacodon septentrionalis (Fr.) P. Karst. Fruiting Bodies
5049085 northern tooth Climacodon septentrionalis (Fr.) P. Karst. Fruiting Bodies
5049086 northern tooth Climacodon septentrionalis (Fr.) P. Karst. Fruiting Bodies
5049088 northern tooth Climacodon septentrionalis (Fr.) P. Karst. Feature(s)
5049089 northern tooth Climacodon septentrionalis (Fr.) P. Karst. Fruiting Bodies
5049090 northern tooth Climacodon septentrionalis (Fr.) P. Karst. Fruiting Bodies
5028082 bluebead-lily Clintonia borealis (Ait.) Raf. Foliage
1377011 bluebead-lily Clintonia borealis (Ait.) Raf. Plant(s)
5028090 Coprinellus fungi Coprinellus radians (Desm.) Vilgalys, Hopple & Jacq. Johnson Sign
1377012 Shaggy mane Coprinus comatus (O.F. Müll.) Gray Fruiting Bodies
5033049 Shaggy mane Coprinus comatus (O.F. Müll.) Gray Fruiting Bodies
5033050 Shaggy mane Coprinus comatus (O.F. Müll.) Gray Fruiting Bodies
5033051 Shaggy mane Coprinus comatus (O.F. Müll.) Gray Fruiting Bodies
5033052 Shaggy mane Coprinus comatus (O.F. Müll.) Gray Fruiting Bodies
5033055 Shaggy mane Coprinus comatus (O.F. Müll.) Gray Fruiting Bodies
5033056 Shaggy mane Coprinus comatus (O.F. Müll.) Gray Fruiting Bodies
5033057 Shaggy mane Coprinus comatus (O.F. Müll.) Gray Fruiting Bodies
5033058 Shaggy mane Coprinus comatus (O.F. Müll.) Gray Fruiting Bodies
5033059 Shaggy mane Coprinus comatus (O.F. Müll.) Gray Fruiting Bodies
5043100 inky cap Coprinus quadrifidus Peck Fruiting Bodies
5050029 inky cap Coprinus radians (Desm.) Fr. Fruiting Bodies
1301027 inky cap Coprinus radians (Desm.) Fr. Fruiting Bodies
5033064 black trumpet Craterellus fallax A.H. Sm. Fruiting Bodies
5033065 black trumpet Craterellus fallax A.H. Sm. Fruiting Bodies
5033066 black trumpet Craterellus fallax A.H. Sm. Fruiting Bodies
5050007 comandra blister rust Cronartium comandrae Peck Symptoms
5050008 comandra blister rust Cronartium comandrae Peck Symptoms
5050009 comandra blister rust Cronartium comandrae Peck Symptoms
5050010 comandra blister rust Cronartium comandrae Peck Symptoms
5034007 eastern pine gall rust Cronartium quercuum (Berk.) Miyabe ex Shirai Symptoms
1198029 eastern pine gall rust Cronartium quercuum (Berk.) Miyabe ex Shirai Sign
1377027 eastern pine gall rust Cronartium quercuum (Berk.) Miyabe ex Shirai Fruiting Bodies
1377028 eastern pine gall rust Cronartium quercuum (Berk.) Miyabe ex Shirai Fruiting Bodies
1301048 white pine blister rust Cronartium ribicola J. C. Fisch. Fruiting Bodies
1301049 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
1301050 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5032048 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5032051 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5032052 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5032061 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5032062 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5032064 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5032065 white pine blister rust Cronartium ribicola J. C. Fisch. Sign
5032066 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5042098 white pine blister rust Cronartium ribicola J. C. Fisch. Sign
5047035 white pine blister rust Cronartium ribicola J. C. Fisch. Fruiting Bodies
5047036 white pine blister rust Cronartium ribicola J. C. Fisch. Fruiting Bodies
5047037 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5048054 white pine blister rust Cronartium ribicola J. C. Fisch. Improper technique
5061027 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061029 white pine blister rust Cronartium ribicola J. C. Fisch. Sign
5061030 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061031 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061032 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061033 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061036 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061038 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061041 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061042 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061043 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061044 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061046 white pine blister rust Cronartium ribicola J. C. Fisch. Display or Sign
5061047 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061048 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061052 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061053 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061054 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061055 white pine blister rust Cronartium ribicola J. C. Fisch. Sign
5061056 white pine blister rust Cronartium ribicola J. C. Fisch. Sign
5061057 white pine blister rust Cronartium ribicola J. C. Fisch. Sign
5061058 white pine blister rust Cronartium ribicola J. C. Fisch. Sign
5061059 white pine blister rust Cronartium ribicola J. C. Fisch. Sign
5061063 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061064 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061066 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061067 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061070 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061071 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061075 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061077 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061078 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061079 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061080 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061081 white pine blister rust Cronartium ribicola J. C. Fisch. Symptoms
5061083 white pine blister rust Cronartium ribicola J. C. Fisch. Sign
5061084 white pine blister rust Cronartium ribicola J. C. Fisch. Sign
5061086 white pine blister rust Cronartium ribicola J. C. Fisch. Sign
5050038 common bird's nest fungi Crucibulum laeve (Huds.) Kambly Fruiting Bodies
5051071 orange hobnail canker Cryphonectria gyrosa (Berk. & Broome) Sacc. & D. Sacc. Symptoms
5050040 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Symptoms
5050041 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Symptoms
5050042 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Culture
5049069 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Symptoms
5049070 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Symptoms
5049071 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Symptoms
5049072 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Control
5049007 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Research
5297100 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr People
5298001 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Research
5298002 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Research
5298003 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Research
5297092 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Research
5297093 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Research
5297094 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Research
5297095 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Research
5297096 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Research
5297097 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Research
5297098 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Research
5298006 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Research
5298007 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Research
5298008 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Research
5298009 chestnut blight or canker Cryphonectria parasitica (Murrill) M.E. Barr Research
5048095 beech scale Cryptococcus fagisuga Lindinger Infestation
5048096 beech scale Cryptococcus fagisuga Lindinger Infestation
5048097 beech scale Cryptococcus fagisuga Lindinger Infestation
5049001 beech scale Cryptococcus fagisuga Lindinger Infestation
5049002 beech scale Cryptococcus fagisuga Lindinger Sign
5049003 beech scale Cryptococcus fagisuga Lindinger Sign
5049004 beech scale Cryptococcus fagisuga Lindinger Sign
5048065 beech scale Cryptococcus fagisuga Lindinger Infestation
5046099 beech scale Cryptococcus fagisuga Lindinger Damage
5048079 beech scale Cryptococcus fagisuga Lindinger Infestation
5048076 beech scale Cryptococcus fagisuga Lindinger Infestation
5048083 beech scale Cryptococcus fagisuga Lindinger Infestation
5048086 beech scale Cryptococcus fagisuga Lindinger Infestation
5042089 beech scale Cryptococcus fagisuga Lindinger Nymph(s)
5042090 beech scale Cryptococcus fagisuga Lindinger Nymph(s)
1377013 veiled polypore Cryptoporus volvatus (Peck) Shear Fruiting Bodies
5028091 veiled polypore Cryptoporus volvatus (Peck) Shear Fruiting Bodies
5028092 veiled polypore Cryptoporus volvatus (Peck) Shear Fruiting Bodies
5028093 veiled polypore Cryptoporus volvatus (Peck) Shear Fruiting Bodies
5028094 veiled polypore Cryptoporus volvatus (Peck) Shear Fruiting Bodies
5028095 veiled polypore Cryptoporus volvatus (Peck) Shear Fruiting Bodies
5051052 dodder Cuscuta spp. L. Sign
5051053 dodder Cuscuta spp. L. Plant(s)
5049013 bird's nest fungi Cyathus striatus (Huds.) Willd. Fruiting Bodies
5049014 bird's nest fungi Cyathus striatus (Huds.) Willd. Fruiting Bodies
5049015 bird's nest fungi Cyathus striatus (Huds.) Willd. Fruiting Bodies
5050044 bird's nest fungi Cyathus striatus (Huds.) Willd. Fruiting Bodies
5050045 bird's nest fungi Cyathus striatus (Huds.) Willd. Fruiting Bodies
5044017 bird's nest fungi Cyathus striatus (Huds.) Willd. Fruiting Bodies
5050046 Cyclaneusma needle cast Cyclaneusma minus (Butin) Dicosmo, Peredo & Mint Symptoms
5050047 Cyclaneusma needle cast Cyclaneusma minus (Butin) Dicosmo, Peredo & Mint Symptoms
5050048 Cyclaneusma needle cast Cyclaneusma minus (Butin) Dicosmo, Peredo & Mint Fruiting Bodies
5050049 Cyclaneusma needle cast Cyclaneusma minus (Butin) Dicosmo, Peredo & Mint Sign
5050053 Cyclaneusma needle cast Cyclaneusma minus (Butin) Dicosmo, Peredo & Mint Symptoms
5050054 Cytospora cankers Cytospora spp. Ehrenb. Symptoms
5050055 Cytospora cankers Cytospora spp. Ehrenb. Symptoms
5050056 Cytospora cankers Cytospora spp. Ehrenb. Symptoms
5050057 Cytospora cankers Cytospora spp. Ehrenb. Symptoms
5050058 Cytospora cankers Cytospora spp. Ehrenb. Symptoms
5050059 Cytospora cankers Cytospora spp. Ehrenb. Symptoms
5050060 Cytospora cankers Cytospora spp. Ehrenb. Symptoms
5050061 Cytospora cankers Cytospora spp. Ehrenb. Symptoms
5050062 Cytospora cankers Cytospora spp. Ehrenb. Symptoms
5050064 Cytospora cankers Cytospora spp. Ehrenb. Symptoms
5037098 Cytospora cankers Cytospora spp. Ehrenb. Symptoms
5038032 Cytospora cankers Cytospora spp. Ehrenb. Infestation
5038033 Cytospora cankers Cytospora spp. Ehrenb. Infestation
5033068 orange jelly Dacrymyces palmatus (Schwein.) Burt Fruiting Bodies
5033069 orange jelly Dacrymyces palmatus (Schwein.) Burt Fruiting Bodies
5028099 orange jelly Dacrymyces palmatus (Schwein.) Burt Fruiting Bodies
5028100 orange jelly Dacrymyces palmatus (Schwein.) Burt Fruiting Bodies
5050065 orange jelly Dacrymyces palmatus (Schwein.) Burt Fruiting Bodies
5050066 thick-walled maze polypore Daedalea quercina (L.) Pers. Fruiting Bodies
5050067 thick-walled maze polypore Daedalea quercina (L.) Pers. Feature(s)
5050068 thick-walled maze polypore Daedalea quercina (L.) Pers. Fruiting Bodies
1301061 thick-walled maze polypore Daedalea quercina (L.) Pers. Fruiting Bodies
1301064 thick-walled maze polypore Daedalea quercina (L.) Pers. Feature(s)
5033070 thick-walled maze polypore Daedalea quercina (L.) Pers. Fruiting Bodies
1377014 carbon balls Daldinia concentrica (Bolton) Ces. & De Not. Fruiting Bodies
5029001 carbon balls Daldinia concentrica (Bolton) Ces. & De Not. Fruiting Bodies
5029002 carbon balls Daldinia concentrica (Bolton) Ces. & De Not. Fruiting Bodies
5050069 carbon balls Daldinia concentrica (Bolton) Ces. & De Not. Fruiting Bodies
5050070 carbon balls Daldinia concentrica (Bolton) Ces. & De Not. Fruiting Bodies
5050072 tar spot needlecast Davisomycella ampla (J. J. Davis) Darker Symptoms
5050073 tar spot needlecast Davisomycella ampla (J. J. Davis) Darker Symptoms
5029011 dutchman's breeches Dicentra cucullaria (L.) Bernh. Flower(s)
5029012 dutchman's breeches Dicentra cucullaria (L.) Bernh. Flower(s)
1377015 dutchman's breeches Dicentra cucullaria (L.) Bernh. Flower(s)
5028004 Diplodia tip blights Diplodia spp. Fr. Symptoms
5028006 Diplodia tip blights Diplodia spp. Fr. Symptoms
5051049 dogwood anthracnose Discula destructiva Redlin Symptoms
5051050 dogwood anthracnose Discula destructiva Redlin Symptoms
1397095 pileated woodpecker Dryocopus pileatus (Linnaeus, 1758) Damage
1397096 pileated woodpecker Dryocopus pileatus (Linnaeus, 1758) Damage
5031001 pileated woodpecker Dryocopus pileatus (Linnaeus, 1758) Damage
5031002 pileated woodpecker Dryocopus pileatus (Linnaeus, 1758) Damage
5031003 pileated woodpecker Dryocopus pileatus (Linnaeus, 1758) Damage
5035048 pileated woodpecker Dryocopus pileatus (Linnaeus, 1758) Damage
5035049 pileated woodpecker Dryocopus pileatus (Linnaeus, 1758) Damage
5298036 pileated woodpecker Dryocopus pileatus (Linnaeus, 1758) Damage
5298037 pileated woodpecker Dryocopus pileatus (Linnaeus, 1758) Damage
5298034 pileated woodpecker Dryocopus pileatus (Linnaeus, 1758) Damage
5299002 woodfern Dryopteris spp. Foliage
5051068 Elytroderma needle cast of pine Elytroderma deformans (Weir) Darker Symptoms
5046014 red oak borer Enaphalodes rufulus (Haldeman) Damage
5046015 red oak borer Enaphalodes rufulus (Haldeman) Damage
5045075 red oak borer Enaphalodes rufulus (Haldeman) Symptoms
5031033 red oak borer Enaphalodes rufulus (Haldeman) Galleries
5031034 red oak borer Enaphalodes rufulus (Haldeman) Damage
5031035 red oak borer Enaphalodes rufulus (Haldeman) Damage
5031036 red oak borer Enaphalodes rufulus (Haldeman) Damage
5031038 red oak borer Enaphalodes rufulus (Haldeman) Damage
5034050 sooty-bark canker Encoelia pruinosa (Ellis & Everth.) Torkelson & Eckblad Fruiting Bodies
5034051 sooty-bark canker Encoelia pruinosa (Ellis & Everth.) Torkelson & Eckblad Fruiting Bodies
5034057 western gall rust Endocronartium harknessii Hirats. Symptoms
5037034 western gall rust Endocronartium harknessii Hirats. Symptoms
5030002 western gall rust Endocronartium harknessii Hirats. Sign
5030003 western gall rust Endocronartium harknessii Hirats. Sign
5030004 western gall rust Endocronartium harknessii Hirats. Sign
5030005 western gall rust Endocronartium harknessii Hirats. Symptoms
5030006 western gall rust Endocronartium harknessii Hirats. Sign
5030007 western gall rust Endocronartium harknessii Hirats. Sign
5030008 western gall rust Endocronartium harknessii Hirats. Sign
5030009 western gall rust Endocronartium harknessii Hirats. Symptoms
5030010 western gall rust Endocronartium harknessii Hirats. Sign
5030011 western gall rust Endocronartium harknessii Hirats. Sign
5030012 western gall rust Endocronartium harknessii Hirats. Sign
5030013 western gall rust Endocronartium harknessii Hirats. Symptoms
5029100 eastern false rue anemone Enemion biternatum Raf. Plant(s)
5030001 eastern false rue anemone Enemion biternatum Raf. Plant(s)
1377002 eastern false rue anemone Enemion biternatum Raf. Flower(s)
1377026 eastern false rue anemone Enemion biternatum Raf. Flower(s)
5029085 Hypoxylon canker of aspen Entoleuca mammata (Wahlenb.) J.D. Rogers & Y.M. Ju Symptoms
5029091 Hypoxylon canker of aspen Entoleuca mammata (Wahlenb.) J.D. Rogers & Y.M. Ju Symptoms
1301007 abortive Entoloma Entoloma abortivum (Berk. & M.A. Curtis) Donk Sign
5047082 abortive Entoloma Entoloma abortivum (Berk. & M.A. Curtis) Donk Fruiting Bodies
5051072 abortive Entoloma Entoloma abortivum (Berk. & M.A. Curtis) Donk Fruiting Bodies
5051073 abortive Entoloma Entoloma abortivum (Berk. & M.A. Curtis) Donk Fruiting Bodies
1198021 porcupine Erethizon dorsatum Linnaeus Adult(s)
1198004 porcupine Erethizon dorsatum Linnaeus Damage
5029004 porcupine Erethizon dorsatum Linnaeus Damage
5031016 porcupine Erethizon dorsatum Linnaeus Damage
5031017 porcupine Erethizon dorsatum Linnaeus Adult(s)
5052001 fire blight Erwinia amylovora (Burrill) Winslow . Symptoms
5029031 white trout lily Erythronium albidum Nutt. Foliage
5029032 white trout lily Erythronium albidum Nutt. Foliage
5029033 white trout lily Erythronium albidum Nutt. Flower(s)
5029034 white trout lily Erythronium albidum Nutt. Flower(s)
5029035 white trout lily Erythronium albidum Nutt. Flower(s)
5029036 white trout lily Erythronium albidum Nutt. Flower(s)
1377016 white trout lily Erythronium albidum Nutt. Flower(s)
1377017 white trout lily Erythronium albidum Nutt. Flower(s)
1377018 Minnesota trout lily Erythronium propullans Gray Flower(s)
1377019 Minnesota trout lily Erythronium propullans Gray Flower(s)
5051076 running strawberry bush Euonymus obovatus Nutt. Fruit(s)
5051077 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5051078 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5051079 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5051080 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5051081 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Fruiting Bodies
5051082 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5051083 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5051084 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5051085 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5051086 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Sign
5051087 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5051088 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5051090 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5051093 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Sign
5051094 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Sign
5051095 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5044033 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5044034 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
1377020 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
1301060 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
1301054 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Sign
1301055 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
1198040 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Sign
1397074 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5029041 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5029042 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5029043 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5029044 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5029045 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5034063 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5034064 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5033096 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Damage
5033097 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Damage
5033098 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5033099 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5033100 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5034002 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5033016 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5037090 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Sign
5038009 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5252007 Eutypella canker Eutypella parasitica R. W. Davidson & Lorentz Symptoms
5029046 black witch's butter Exidia glandulosa (Bull.) Fr. Fruiting Bodies
5029047 black witch's butter Exidia glandulosa (Bull.) Fr. Fruiting Bodies
5029048 black witch's butter Exidia glandulosa (Bull.) Fr. Fruiting Bodies
5051096 black witch's butter Exidia glandulosa (Bull.) Fr. Fruiting Bodies
5051097 black witch's butter Exidia glandulosa (Bull.) Fr. Fruiting Bodies
5048064 American beech Fagus grandifolia Ehrhart Symptoms
5042091 American beech Fagus grandifolia Ehrhart Stand
5042074 American beech Fagus grandifolia Ehrhart Tree(s)
5032070 American beech Fagus grandifolia Ehrhart Symptoms
5049009 birch leafminer Fenusa pusilla (Lepeletier) Damage
5049010 birch leafminer Fenusa pusilla (Lepeletier) Larva(e)
5049011 birch leafminer Fenusa pusilla (Lepeletier) Damage
5049012 birch leafminer Fenusa pusilla (Lepeletier) Damage
5052003 velvet foot Flammulina velutipes (Curtis) Singer Fruiting Bodies
5052012 tinder fungus Fomes fomentarius (L.) J.J. Kickx Fruiting Bodies
5029051 tinder fungus Fomes fomentarius (L.) J.J. Kickx Fruiting Bodies
5029052 tinder fungus Fomes fomentarius (L.) J.J. Kickx Fruiting Bodies
1198022 tinder fungus Fomes fomentarius (L.) J.J. Kickx Fruiting Bodies
1198031 red-belted fungus Fomitopsis pinicola (Sw.) P. Karst. Fruiting Bodies
1198014 red-belted fungus Fomitopsis pinicola (Sw.) P. Karst. Fruiting Bodies
1301025 red-belted fungus Fomitopsis pinicola (Sw.) P. Karst. Fruiting Bodies
1301026 red-belted fungus Fomitopsis pinicola (Sw.) P. Karst. Fruiting Bodies
5029053 red-belted fungus Fomitopsis pinicola (Sw.) P. Karst. Fruiting Bodies
5052013 red-belted fungus Fomitopsis pinicola (Sw.) P. Karst. Fruiting Bodies
1397010 wild strawberry Fragaria virginiana Duchesne Flower(s)
5032094 white ash Fraxinus americana L. Feature(s)
5032072 artist's conk Ganoderma applanatum (Pers.) Pat. Sign
5031097 artist's conk Ganoderma applanatum (Pers.) Pat. Feature(s)
5034008 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5034009 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5034010 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5034011 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5034012 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5052031 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5052032 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5052033 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5052034 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5052035 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5052036 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5052037 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5052038 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5052039 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5052040 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5052041 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5052042 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5052043 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5044054 artist's conk Ganoderma applanatum (Pers.) Pat. Fruiting Bodies
5044056 hemlock varnish shelf Ganoderma tsugae Murrill Fruiting Bodies
5044057 hemlock varnish shelf Ganoderma tsugae Murrill Fruiting Bodies
1301004 hemlock varnish shelf Ganoderma tsugae Murrill Fruiting Bodies
1301001 hemlock varnish shelf Ganoderma tsugae Murrill Fruiting Bodies
5027039 acorn jay Garrulus glandarius (Linnaeus, 1758) Feature(s)
5034013 wintergreen Gaultheria procumbens L. Fruit(s)
5034014 wintergreen Gaultheria procumbens L. Foliage
5252047 wild geranium Geranium maculatum L. Flower(s)
5052048 Gliocladium roseum Gliocladium roseum Bainier Culture
5052049 Gliocladium roseum Gliocladium roseum Bainier Culture
5052050 Gliocladium roseum Gliocladium roseum Bainier Asexual Spore
5052051 Gliocladium roseum Gliocladium roseum Bainier Asexual Spore
5052052 Gliocladium roseum Gliocladium roseum Bainier Asexual Spore
5052053 rusty gilled polypore Gloeophyllum sepiarium (Wulfen) P. Karst. Fruiting Bodies
5029058 rusty gilled polypore Gloeophyllum sepiarium (Wulfen) P. Karst. Fruiting Bodies
5029059 rusty gilled polypore Gloeophyllum sepiarium (Wulfen) P. Karst. Fruiting Bodies
5029060 rusty gilled polypore Gloeophyllum sepiarium (Wulfen) P. Karst. Fruiting Bodies
5029061 rusty gilled polypore Gloeophyllum sepiarium (Wulfen) P. Karst. Fruiting Bodies
5029062 rusty gilled polypore Gloeophyllum sepiarium (Wulfen) P. Karst. Fruiting Bodies
5029063 rusty gilled polypore Gloeophyllum sepiarium (Wulfen) P. Karst. Fruiting Bodies
5029064 rusty gilled polypore Gloeophyllum sepiarium (Wulfen) P. Karst. Fruiting Bodies
1198016 rusty gilled polypore Gloeophyllum sepiarium (Wulfen) P. Karst. Fruiting Bodies
5059016 sugar maple borer Glycobius speciosus (Say) Damage
5047094 ash anthracnose Gnomoniella fraxini Redlin & Stack Symptoms
5047095 ash anthracnose Gnomoniella fraxini Redlin & Stack Symptoms
5047096 ash anthracnose Gnomoniella fraxini Redlin & Stack Symptoms
5047097 ash anthracnose Gnomoniella fraxini Redlin & Stack Symptoms
5047098 ash anthracnose Gnomoniella fraxini Redlin & Stack Symptoms
5047099 ash anthracnose Gnomoniella fraxini Redlin & Stack Symptoms
5047100 ash anthracnose Gnomoniella fraxini Redlin & Stack Symptoms
5048001 ash anthracnose Gnomoniella fraxini Redlin & Stack Symptoms
5049019 ash anthracnose Gnomoniella fraxini Redlin & Stack Symptoms
5044072 Scleroderris canker of pine and spruce Gremmeniella abietina (Lagerb.) M. Morelet Fruiting Bodies
5044073 Scleroderris canker of pine and spruce Gremmeniella abietina (Lagerb.) M. Morelet Symptoms
5044075 Scleroderris canker of pine and spruce Gremmeniella abietina (Lagerb.) M. Morelet Symptoms
5029065 Scleroderris canker of pine and spruce Gremmeniella abietina (Lagerb.) M. Morelet Symptoms
5028058 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Fruiting Bodies
5028059 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Fruiting Bodies
5028060 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Fruiting Bodies
5028061 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Fruiting Bodies
5028062 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Fruiting Bodies
5028063 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Fruiting Bodies
5028064 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Fruiting Bodies
5028065 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Fruiting Bodies
5028066 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Fruiting Bodies
1377009 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Fruiting Bodies
5043055 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Fruiting Bodies
5043056 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Fruiting Bodies
5043057 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Fruiting Bodies
5043058 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043059 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Fruiting Bodies
5043060 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043061 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Fruiting Bodies
5043062 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Fruiting Bodies
5043063 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043064 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043065 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043066 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043067 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043068 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043069 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043070 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043071 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043072 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043073 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043074 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043075 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043076 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043077 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043078 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043079 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043080 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5043081 cedar-apple rust Gymnosporangium juniperi-virginianae Schwein. Feature(s)
5052073 false morel Gyromitra esculenta (Persoon: Fries) Fries Fruiting Bodies
1377021 sharp-lobed hepatica Hepatica nobilis var. acuta (Pursh) Steyerm. Flower(s)
5029070 sharp-lobed hepatica Hepatica nobilis var. acuta (Pursh) Steyerm. Plant(s)
5029071 sharp-lobed hepatica Hepatica nobilis var. acuta (Pursh) Steyerm. Flower(s)
5029072 sharp-lobed hepatica Hepatica nobilis var. acuta (Pursh) Steyerm. Plant(s)
5029073 sharp-lobed hepatica Hepatica nobilis var. acuta (Pursh) Steyerm. Flower(s)
5053075 Hericium fungus Hericium coralloides (Scop.) Pers. Fruiting Bodies
5053076 lion's mane hericium Hericium erinaceus (Bull.:Fr.) Pers. Fruiting Bodies
5053077 annosum root disease Heterobasidion annosum (Fr) Bref. Infestation
5053078 annosum root disease Heterobasidion annosum (Fr) Bref. Symptoms
5053079 annosum root disease Heterobasidion annosum (Fr) Bref. Symptoms
5053080 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
5053081 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
5053082 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
5053083 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
5053084 annosum root disease Heterobasidion annosum (Fr) Bref. Symptoms
5053085 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
5053086 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
5029078 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
5029079 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
5029080 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
5029081 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
5027077 annosum root disease Heterobasidion annosum (Fr) Bref. Symptoms
5027078 annosum root disease Heterobasidion annosum (Fr) Bref. Symptoms
5027079 annosum root disease Heterobasidion annosum (Fr) Bref. Sign
5027080 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
5027081 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
5027082 annosum root disease Heterobasidion annosum (Fr) Bref. Symptoms
5027083 annosum root disease Heterobasidion annosum (Fr) Bref. Symptoms
1377022 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
1377023 annosum root disease Heterobasidion annosum (Fr) Bref. Sign
1377024 annosum root disease Heterobasidion annosum (Fr) Bref. Sign
1377025 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
1301070 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
1301071 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
1301072 annosum root disease Heterobasidion annosum (Fr) Bref. Symptoms
5031042 annosum root disease Heterobasidion annosum (Fr) Bref. Symptoms
5031043 annosum root disease Heterobasidion annosum (Fr) Bref. Symptoms
5040070 annosum root disease Heterobasidion annosum (Fr) Bref. Symptoms
5040071 annosum root disease Heterobasidion annosum (Fr) Bref. Symptoms
5038089 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
5038090 annosum root disease Heterobasidion annosum (Fr) Bref. Fruiting Bodies
5053091 righteous red waxy cap Hygrocybe coccinea (Schaeff.) P. Kumm Fruiting Bodies
5053092 righteous red waxy cap Hygrocybe coccinea (Schaeff.) P. Kumm Fruiting Bodies
5058098 white-lined sphinx Hyles lineata (Fabricius) Adult(s)
5029082 weevils Hylobius spp. Germar, 1817 Pupa(e)
5053093 native elm bark beetle Hylurgopinus rufipes (Eichhoff) Adult(s)
5053094 native elm bark beetle Hylurgopinus rufipes (Eichhoff) Adult(s)
5055014 larch needle cast Hypodermella laricis Tubeuf Feature(s)
5054028 white rot Inonotus dryophilus (Berk.) Murrill Fruiting Bodies
5054029 white rot Inonotus glomeratus (Peck) Murrill Symptoms
5054030 hispidus canker Inonotus hispidus (Bolton) P. Karst. Fruiting Bodies
5054031 clinker polypore Inonotus obliquus (Pers.) Pilát Fruiting Bodies
5054032 clinker polypore Inonotus obliquus (Pers.) Pilát Fruiting Bodies
5054033 clinker polypore Inonotus obliquus (Pers.) Pilát Fruiting Bodies
5054034 clinker polypore Inonotus obliquus (Pers.) Pilát Fruiting Bodies
5054035 clinker polypore Inonotus obliquus (Pers.) Pilát Fruiting Bodies
5054037 clinker polypore Inonotus obliquus (Pers.) Pilát Fruiting Bodies
5054038 clinker polypore Inonotus obliquus (Pers.) Pilát Fruiting Bodies
5054039 clinker polypore Inonotus obliquus (Pers.) Pilát Fruiting Bodies
5054040 clinker polypore Inonotus obliquus (Pers.) Pilát Fruiting Bodies
5054041 clinker polypore Inonotus obliquus (Pers.) Pilát Fruiting Bodies
5054042 clinker polypore Inonotus obliquus (Pers.) Pilát Fruiting Bodies
1301032 clinker polypore Inonotus obliquus (Pers.) Pilát Feature(s)
5034029 clinker polypore Inonotus obliquus (Pers.) Pilát Fruiting Bodies
5298072 clinker polypore Inonotus obliquus (Pers.) Pilát Sign
5251048 pine engraver Ips pini (Say) Damage
5051055 Ips engraver beetles Ips spp. De Geer, 1775 Damage
5054063 milk-white toothed polypore Irpex lacteus (Fr.) Fr. Symptoms
5054064 milk-white toothed polypore Irpex lacteus (Fr.) Fr. Fruiting Bodies
5029096 milk-white toothed polypore Irpex lacteus (Fr.) Fr. Fruiting Bodies
5029097 milk-white toothed polypore Irpex lacteus (Fr.) Fr. Fruiting Bodies
5029098 milk-white toothed polypore Irpex lacteus (Fr.) Fr. Fruiting Bodies
5054065 resinous polypore Ischnoderma resinosum Fr. Fruiting Bodies
5054066 resinous polypore Ischnoderma resinosum Fr. Fruiting Bodies
5051063 elm leafminer Kaliofenusa ulmi (Sundevall) Damage
5051064 elm leafminer Kaliofenusa ulmi (Sundevall) Damage
5051065 elm leafminer Kaliofenusa ulmi (Sundevall) Damage
5051066 elm leafminer Kaliofenusa ulmi (Sundevall) Damage
1397016 mountain laurel Kalmia latifolia Linnaeus Flower(s)
5054096 lackluster laccaria Laccaria laccata (Scop.) Fr. Fruiting Bodies
5054097 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5054098 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5054099 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5054100 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5055001 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5055002 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5055003 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5055004 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5045004 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5045005 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
1301057 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
1301063 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
1301068 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
1301003 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Feature(s)
5030015 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5030016 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5030017 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5030018 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5030019 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5030020 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5030021 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5030022 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5030023 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5030024 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5030025 sulfur shelf Laetiporus sulphureus (Bull.) Bondartsev & Singer Fruiting Bodies
5030029 tamarack Larix laricina (Du Roi) K. Koch Cones
1397025 tamarack Larix laricina (Du Roi) K. Koch Twig(s)/Shoot(s)
5042086 sweet bay Laurus nobilis L. Bark
5046078 sweet bay Laurus nobilis L. Symptoms
5055020 birch bolete Leccinum scabrum scabrum (Bull.) Gray Fruiting Bodies
5055021 rough-stemmed bolete Leccinum spp. Gray Fruiting Bodies
5034062 Labrador tea Ledum palustre L. Plant(s)
5058068 shiitake Lentinula edodes (Berk.) Pegler Culture
5058069 shiitake Lentinula edodes (Berk.) Pegler Culture
5058070 shiitake Lentinula edodes (Berk.) Pegler Culture
5055022 parasol mushroom Lepiota spp. Gray Fruiting Bodies
5030030 Leptographium root disease Leptographium spp. Lagerberg & Melin. Symptoms
5030031 Leptographium root disease Leptographium spp. Lagerberg & Melin. Symptoms
5029083 Leptographium root disease Leptographium spp. Lagerberg & Melin. Symptoms
5029084 Leptographium root disease Leptographium spp. Lagerberg & Melin. Sign
5038034 Leucostoma canker of spruce Leucostoma kunzei (Fr.) Munk ex H. Kern Symptoms
5037099 Leucostoma canker of spruce Leucostoma kunzei (Fr.) Munk ex H. Kern Symptoms
1427042 tanoak Lithocarpus densiflorus (Hook. & Arn.) Rehd. Foliage
1427043 tanoak Lithocarpus densiflorus (Hook. & Arn.) Rehd. Foliage
1427044 tanoak Lithocarpus densiflorus (Hook. & Arn.) Rehd. Foliage
5045027 tanoak Lithocarpus densiflorus (Hook. & Arn.) Rehd. Foliage
5045028 tanoak Lithocarpus densiflorus (Hook. & Arn.) Rehd. Foliage
5045029 tanoak Lithocarpus densiflorus (Hook. & Arn.) Rehd. Foliage
5055040 needle cast Lophodermium seditiosum Minter, Staley & Millar Symptoms
5055041 needle cast Lophodermium seditiosum Minter, Staley & Millar Symptoms
5055044 common puffball Lycoperdon perlatum Pers. Fruiting Bodies
5055045 common puffball Lycoperdon perlatum Pers. Fruiting Bodies
5045038 common puffball Lycoperdon perlatum Pers. Fruiting Bodies
5055046 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055047 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055048 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055049 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055050 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055051 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055052 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055053 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055054 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055055 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055056 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055057 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055058 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055059 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055060 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055061 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055062 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055063 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055064 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055065 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
5055066 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
1377029 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
1301022 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
1301031 puffball Lycoperdon pyriforme (Schaeff.) Pers. Fruiting Bodies
1397015 clubmoss Lycopodium spp. L. Plant(s)
5034079 clubmoss Lycopodium spp. L. Feature(s)
5034080 clubmoss Lycopodium spp. L. Feature(s)
5034081 clubmoss Lycopodium spp. L. Feature(s)
5045040 clubmoss Lycopodium spp. L. Plant(s)
5052070 gypsy moth Lymantria dispar (Linnaeus) Larva(e)
5059001 gypsy moth Lymantria dispar (Linnaeus) Control
1301021 gypsy moth Lymantria dispar (Linnaeus) Larva(e)
1198039 gypsy moth Lymantria dispar (Linnaeus) Larva(e)
1301038 periodical cicada Magicicada spp. Davis, 1925 Adult(s)
5049075 periodical cicada Magicicada spp. Davis, 1925 Adult(s)
5049076 periodical cicada Magicicada spp. Davis, 1925 Damage
5049077 periodical cicada Magicicada spp. Davis, 1925 Feature(s)
5049078 periodical cicada Magicicada spp. Davis, 1925 Adult(s)
5051070 periodical cicada Magicicada spp. Davis, 1925 Feature(s)
1301037 eastern tent caterpillar Malacosoma americanum (Fabricius) Larva(e)
5038062 eastern tent caterpillar Malacosoma americanum (Fabricius) Larva(e)
1301039 forest tent caterpillar Malacosoma disstria Hübner Larva(e)
5033008 fir broom rust Melampsorella caryophyllacearum (DC.) J. Schröt Sign
5033009 fir broom rust Melampsorella caryophyllacearum (DC.) J. Schröt Sign
5033010 fir broom rust Melampsorella caryophyllacearum (DC.) J. Schröt Symptoms
5033011 fir broom rust Melampsorella caryophyllacearum (DC.) J. Schröt Symptoms
5033012 fir broom rust Melampsorella caryophyllacearum (DC.) J. Schröt Symptoms
5033013 fir broom rust Melampsorella caryophyllacearum (DC.) J. Schröt Symptoms
5055086 needle blight of larch Meria laricis Vuill. Symptoms
5055087 needle blight of larch Meria laricis Vuill. Symptoms
5055088 needle blight of larch Meria laricis Vuill. Symptoms
5055089 needle blight of larch Meria laricis Vuill. Symptoms
5055090 needle blight of larch Meria laricis Vuill. Symptoms
5055093 slime mold Metatrichia vesparium (Batsch) Nann.-Bremek. ex G.W. Martin & Alexop. Fruiting Bodies
5034088 Indianpipe Monotropa uniflora L. Flower(s)
1397023 Indianpipe Monotropa uniflora L. Plant(s)
1377030 Indianpipe Monotropa uniflora L. Plant(s)
5055098 morel Morchella spp. Dill. ex Pers. Fruiting Bodies
5058062 brown spot needle blight of pine Mycosphaerella dearnessii M.E. Barr Symptoms
5049040 brown spot needle blight of pine Mycosphaerella dearnessii M.E. Barr Symptoms
5049041 brown spot needle blight of pine Mycosphaerella dearnessii M.E. Barr Symptoms
5049042 brown spot needle blight of pine Mycosphaerella dearnessii M.E. Barr Symptoms


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