| 4822063 |
ash rusts |
Puccinia sparganioides |
Leaf distortion, petiole hypertrophy and distinctive pycnia and aecial "cluster cup" with orange-yellow aeciospores proliferating from the surface of infected tissue. |
| 4822070 |
powdery mildew |
Microsphaera penicillata |
cleistothecium with white branched appendages which produce ascospores |
| 4822078 |
Phytophthora basal canker |
Phytophthora palmivora |
Droplets of discolored sap exuding from infected bark tissues. |
| 4822082 |
Phytophthora basal canker |
Phytophthora palmivora |
canker initially 30 inches off ground, 6 months later - 11 feet off ground as infection progresses into tree stem and scaffold branches |
| 4822077 |
Phytophthora basal canker |
Phytophthora palmivora |
Basal canker (6 feet off the ground) with dark staining and discoloration of infected bark. Naples, Florida, USA |
| 5372084 |
green alga |
Cephaleuros virescens |
algal leaf spot |
| 5372370 |
green alga |
Cephaleuros virescens |
algal leaf spot |
| 5372382 |
green alga |
Cephaleuros virescens |
algal leaf spot |
| 4822080 |
Phytophthora basal canker |
Phytophthora palmivora |
Distinctive coffee-brown or dark rusty reddish-brown to black discoloration of bark. |
| 4822079 |
Phytophthora basal canker |
Phytophthora palmivora |
zone line between infected vs. uninfected bark |
| 4822064 |
ash rusts |
Puccinia sparganioides |
distinctive pycnia and aecial "cluster cup" with orange-yellow aeciospores proliferating from the surface of infected tissue. |
| 5371917 |
leaf shotholes |
Cylindrosporium spp. |
|
| 5371919 |
leaf shotholes |
Cylindrosporium spp. |
|
| 5371918 |
leaf shotholes |
Cylindrosporium spp. |
|
| 5371915 |
leaf shotholes |
Cylindrosporium spp. |
|
| 5371916 |
leaf shotholes |
Cylindrosporium spp. |
|
| 5263030 |
leaf spot |
Passalora sequoiae |
|
| 5372395 |
green alga |
Cephaleuros virescens |
|
| 5372396 |
green alga |
Cephaleuros virescens |
|
| 5372394 |
green alga |
Cephaleuros virescens |
|
| 5372391 |
green alga |
Cephaleuros virescens |
|
| 5372392 |
green alga |
Cephaleuros virescens |
|
| 5372393 |
green alga |
Cephaleuros virescens |
|
| 5372388 |
green alga |
Cephaleuros virescens |
|
| 5372389 |
green alga |
Cephaleuros virescens |
|
| 5372390 |
green alga |
Cephaleuros virescens |
|
| 5372360 |
green alga |
Cephaleuros virescens |
|
| 5372361 |
green alga |
Cephaleuros virescens |
|
| 5371912 |
leaf shotholes |
Cylindrosporium spp. |
|
| 5371913 |
leaf shotholes |
Cylindrosporium spp. |
|
| 5371914 |
leaf shotholes |
Cylindrosporium spp. |
|
| 5373858 |
rust |
Tranzschelia discolor |
|
| 5373859 |
rust |
Tranzschelia discolor |
|
| 5373857 |
rust |
Tranzschelia discolor |
|
| 5373856 |
rust |
Tranzschelia discolor |
|
| 5373855 |
rust |
Tranzschelia discolor |
|
| 5294051 |
oak leaf blister |
Taphrina caerulescens |
|
| 5294050 |
Stigmina leaf spot |
Stigmina palmivora |
|
| 5294049 |
Stigmina leaf spot |
Stigmina palmivora |
|
| 5373291 |
Phytophthora basal canker |
Phytophthora palmivora |
|
| 5373289 |
Phytophthora basal canker |
Phytophthora palmivora |
|
| 5373290 |
Phytophthora basal canker |
Phytophthora palmivora |
|
| 5373167 |
edema |
|
|
| 5373151 |
eye spot |
Phyllosticta minima |
|
| 5373125 |
Phyllosticta leaf spots |
Phyllosticta spp. |
|
| 5373126 |
Phyllosticta leaf spots |
Phyllosticta spp. |
|
| 5373127 |
Phyllosticta leaf spots |
Phyllosticta spp. |
|
| 5373124 |
Phyllosticta leaf spots |
Phyllosticta spp. |
|
| 5372928 |
powdery mildew |
Microsphaera penicillata |
|
| 5372929 |
powdery mildew |
Microsphaera penicillata |
|
| 5372930 |
powdery mildew |
Microsphaera penicillata |
|
| 5371756 |
leaf spot |
Passalora sequoiae |
|
| 5371753 |
leaf spot |
Passalora sequoiae |
|
| 5371754 |
leaf spot |
Passalora sequoiae |
|
| 5371752 |
leaf spot |
Passalora sequoiae |
|
| 5372474 |
spot anthracnose |
Elsinoe corni |
|
| 5371751 |
leaf spot |
Passalora sequoiae |
|
| 5371750 |
leaf spot |
Passalora sequoiae |
|
| 5371740 |
leaf spot |
Passalora sequoiae |
|
| 5371729 |
leaf spot |
Passalora sequoiae |
|
| 5371726 |
leaf spot |
Passalora sequoiae |
|
| 5371725 |
leaf spot |
Passalora sequoiae |
|
| 5371724 |
leaf spot |
Passalora sequoiae |
|
| 5371721 |
leaf spot |
Passalora sequoiae |
|
| 5372085 |
green alga |
Cephaleuros virescens |
|
| 5371715 |
leaf spot |
Passalora sequoiae |
|
| 5371698 |
leaf spot |
Passalora sequoiae |
|
| 5371696 |
leaf spot |
Passalora sequoiae |
|
| 5371677 |
needle blight |
Cercospora pini-densiflorae |
|
| 5371675 |
needle blight |
Cercospora pini-densiflorae |
|
| 5371676 |
needle blight |
Cercospora pini-densiflorae |
|
| 5372479 |
spot anthracnose |
Elsinoe corni |
|
| 5372478 |
spot anthracnose |
Elsinoe corni |
|
| 5372477 |
spot anthracnose |
Elsinoe corni |
|
| 5372476 |
spot anthracnose |
Elsinoe corni |
|
| 5372475 |
spot anthracnose |
Elsinoe corni |
|
| 5372473 |
spot anthracnose |
Elsinoe corni |
|
| 5372471 |
spot anthracnose |
Elsinoe corni |
|
| 5372470 |
spot anthracnose |
Elsinoe corni |
|
| 5372468 |
spot anthracnose |
Elsinoe corni |
|
| 5372469 |
spot anthracnose |
Elsinoe corni |
|
| 5372467 |
spot anthracnose |
Elsinoe corni |
|
| 5372466 |
spot anthracnose |
Elsinoe corni |
|
| 5372465 |
spot anthracnose |
Elsinoe corni |
|
| 5372197 |
leaf spot |
Ceratobasidium stevensii |
|
| 5372082 |
green alga |
Cephaleuros virescens |
|
| 5259073 |
oak leaf blister |
Taphrina caerulescens |
|
| 5222060 |
Graphiola leaf spot |
Graphiola phoenicis |
|
| 5268038 |
powdery mildew |
Erysiphe lagerstroemiae |
|
| 5263036 |
leaf spot |
Passalora sequoiae |
|
| 5262090 |
leaf spot |
Passalora sequoiae |
|
| 5262091 |
leaf spot |
Passalora sequoiae |
|
| 5262092 |
leaf spot |
Passalora sequoiae |
|
| 5262093 |
leaf spot |
Passalora sequoiae |
|
| 5262094 |
leaf spot |
Passalora sequoiae |
|
| 5262095 |
leaf spot |
Passalora sequoiae |
|
| 5262096 |
leaf spot |
Passalora sequoiae |
|
| 5262097 |
leaf spot |
Passalora sequoiae |
|
| 5262098 |
leaf spot |
Passalora sequoiae |
|
| 5262099 |
leaf spot |
Passalora sequoiae |
|
| 5262100 |
leaf spot |
Passalora sequoiae |
|
| 5263001 |
leaf spot |
Passalora sequoiae |
|
| 5263002 |
leaf spot |
Passalora sequoiae |
|
| 5263003 |
leaf spot |
Passalora sequoiae |
|
| 5263004 |
leaf spot |
Passalora sequoiae |
|
| 5263005 |
leaf spot |
Passalora sequoiae |
|
| 5263006 |
leaf spot |
Passalora sequoiae |
|
| 5263007 |
leaf spot |
Passalora sequoiae |
|
| 5263008 |
leaf spot |
Passalora sequoiae |
|
| 5263009 |
leaf spot |
Passalora sequoiae |
|
| 5263010 |
leaf spot |
Passalora sequoiae |
|
| 5263011 |
leaf spot |
Passalora sequoiae |
|
| 5263012 |
leaf spot |
Passalora sequoiae |
|
| 5263013 |
leaf spot |
Passalora sequoiae |
|
| 5263014 |
leaf spot |
Passalora sequoiae |
|
| 5263015 |
leaf spot |
Passalora sequoiae |
|
| 5263016 |
leaf spot |
Passalora sequoiae |
|
| 5263017 |
leaf spot |
Passalora sequoiae |
|
| 5263018 |
leaf spot |
Passalora sequoiae |
|
| 5263019 |
leaf spot |
Passalora sequoiae |
|
| 5263020 |
leaf spot |
Passalora sequoiae |
|
| 5263021 |
leaf spot |
Passalora sequoiae |
|
| 5263024 |
leaf spot |
Passalora sequoiae |
|
| 5263025 |
leaf spot |
Passalora sequoiae |
|
| 5263026 |
leaf spot |
Passalora sequoiae |
|
| 5263027 |
leaf spot |
Passalora sequoiae |
|
| 5263028 |
leaf spot |
Passalora sequoiae |
|
| 5263029 |
leaf spot |
Passalora sequoiae |
|
| 5258066 |
tar spot of maple |
Rhytisma acerinum |
|
| 5258067 |
tar spot of maple |
Rhytisma acerinum |
|
| 5258068 |
tar spot of maple |
Rhytisma acerinum |
|
| 5259045 |
Septoria leaf spot |
Septoria cornicola |
|
| 5259050 |
Stigmina leaf spot |
Stigmina palmivora |
|
| 5259051 |
Stigmina leaf spot |
Stigmina palmivora |
|
| 5259052 |
Stigmina leaf spot |
Stigmina palmivora |
|
| 5259053 |
Stigmina leaf spot |
Stigmina palmivora |
|
| 5259054 |
Stigmina leaf spot |
Stigmina palmivora |
|
| 5259055 |
Stigmina leaf spot |
Stigmina palmivora |
|
| 5259056 |
Stigmina leaf spot |
Stigmina palmivora |
|
| 5259057 |
Stigmina leaf spot |
Stigmina palmivora |
|
| 5259058 |
Stigmina leaf spot |
Stigmina palmivora |
|
| 5259059 |
Stigmina leaf spot |
Stigmina palmivora |
|
| 5259060 |
Stigmina leaf spot |
Stigmina palmivora |
|
| 5259069 |
oak leaf blister |
Taphrina caerulescens |
|
| 5259070 |
oak leaf blister |
Taphrina caerulescens |
|
| 5259071 |
oak leaf blister |
Taphrina caerulescens |
|
| 5259072 |
oak leaf blister |
Taphrina caerulescens |
|
| 5259074 |
oak leaf blister |
Taphrina caerulescens |
|
| 5259075 |
oak leaf blister |
Taphrina caerulescens |
|
| 5259076 |
oak leaf blister |
Taphrina caerulescens |
|
| 5259077 |
oak leaf blister |
Taphrina caerulescens |
|
| 5259078 |
oak leaf blister |
Taphrina caerulescens |
|
| 5259079 |
oak leaf blister |
Taphrina caerulescens |
|
| 5259080 |
oak leaf blister |
Taphrina caerulescens |
|
| 5259081 |
oak leaf blister |
Taphrina caerulescens |
|
| 5257036 |
eye spot |
Phyllosticta minima |
|
| 5257037 |
eye spot |
Phyllosticta minima |
|
| 5258006 |
Pseudocercospora leaf spot |
Pseudocercospora vitis |
|
| 5258007 |
Pseudocercospora leaf spot |
Pseudocercospora vitis |
|
| 5220077 |
Cercospora leaf spot |
Cercospora fici |
|
| 5220095 |
Dothistroma needle blight |
Mycosphaerella pini |
|
| 5220096 |
Dothistroma needle blight |
Mycosphaerella pini |
|
| 5220097 |
Cercospora leaf spot |
Cercospora liquidambaris |
|
| 5221002 |
spot anthracnose |
Elsinoe corni |
|
| 5221003 |
spot anthracnose |
Elsinoe corni |
|
| 5265016 |
leaf spot |
Passalora sequoiae |
|
| 5265038 |
oak leaf blister |
Taphrina caerulescens |
|
| 4822062 |
ash rusts |
Puccinia sparganioides |
Leaf distortion, petiole hypertrophy and distinctive pycnia and aecial "cluster cup" with orange-yellow aeciospores proliferating from the surface of infected tissue. |
| 4822081 |
Phytophthora basal canker |
Phytophthora palmivora |
diagnostic culture from infected tree |
| 4822065 |
ash rusts |
Puccinia sparganioides |
Closeup of distinctive pycnia and aecial "cluster cup" with orange-yellow aeciospores proliferating from the surface of infected tissue. |
| 4822069 |
powdery mildew |
Microsphaera penicillata |
Initial infection (left) appears as raised circular areas on the leaves covered with powdery white fungus cells which can spread over leaf surface (right). |