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Theodor D. Leininger's Images

Title: Principal Research Plant Pathologist
Organization: USDA Forest Service
Country: United States
Web: http://www2.srs.fs.fed.us/cbhr/html/default.stm

58 Images of 33 Subjects View Subject List View Image Descriptions View Thumbnails

58 Images    

Page: 1/1     Display:


3046068
3046068

cicadas
Indicator(s)
Theodor D. Leininger

3046087
3046087

clomazone
Damage
Theodor D. Leininger

3046075
3046075

sycamore dieback
Symptoms
Theodor D. Leininger

3047004
3047004

oak decline
Symptoms
Theodor D. Leininger

3047011
3047011

Armillaria root rot
Armillaria tabescens
Fruiting Bodies
Theodor D. Leininger

3047017
3047017

Spiculosa canker
Phellinus spiculosa
Symptoms
Theodor D. Leininger

3046085
3046085

cottonwood leaf curl mite
Aculus lobulifera
Damage
Theodor D. Leininger

3046064
3046064

pecan leaf roll mite
Aceria caryae
Damage
Theodor D. Leininger

3047009
3047009

Armillaria root rot
Armillaria tabescens
Fruiting Bodies
Theodor D. Leininger

3046077
3046077

bacterial leaf scorch
Xylella fastidiosa
Symptoms
Theodor D. Leininger

3047014
3047014

carpenterworm
Prionoxystus robiniae
Galleries
Theodor D. Leininger

3047024
3047024

lion's mane hericium
Hericium erinaceus
Fruiting Bodies
Theodor D. Leininger

3047008
3047008

Armillaria root rot
Armillaria tabescens
Fruiting Bodies
Theodor D. Leininger

3046070
3046070

oyster mushroom
Pleurotus ostreatus
Fruiting Bodies
Theodor D. Leininger

3047012
3047012

Armillaria root rots
Armillaria spp.
Symptoms
Theodor D. Leininger

3046072
3046072

bacterial leaf scorch
Xylella fastidiosa
Symptoms
Theodor D. Leininger

3047020
3047020

weeping conk
Inonotus dryadeus
Fruiting Bodies
Theodor D. Leininger

3047022
3047022

veiled oyster
Pleurotus dryinus
Fruiting Bodies
Theodor D. Leininger

3047016
3047016

hispidus canker
Inonotus hispidus
Fruiting Bodies
Theodor D. Leininger

3046078
3046078

Ganoderma root and butt rot
Ganoderma lucidum
Fruiting Bodies
Theodor D. Leininger

3047010
3047010

Ganoderma root and butt rot
Ganoderma lucidum
Fruiting Bodies
Theodor D. Leininger

3047019
3047019

weeping conk
Inonotus dryadeus
Fruiting Bodies
Theodor D. Leininger

3047021
3047021

weeping conk
Inonotus dryadeus
Fruiting Bodies
Theodor D. Leininger

3046074
3046074

sycamore dieback
Symptoms
Theodor D. Leininger

3046096
3046096

Septoria leaf spot and canker
Septoria musiva
Symptoms
Theodor D. Leininger

3046099
3046099

Phomopsis cankers and twig blights
Phomopsis spp.
Symptoms
Theodor D. Leininger

3047023
3047023

veiled oyster
Pleurotus dryinus
Fruiting Bodies
Theodor D. Leininger

3047013
3047013

Armillaria root rots
Armillaria spp.
Symptoms
Theodor D. Leininger

3046098
3046098

Phomopsis cankers and twig blights
Phomopsis spp.
Symptoms
Theodor D. Leininger

3046063
3046063

Botryosphaeria canker
Botryosphaeria rhodina
Symptoms
Theodor D. Leininger

3046097
3046097

Septoria leaf spot and canker
Septoria musiva
Symptoms
Theodor D. Leininger

3046095
3046095

rusts
Symptoms
Theodor D. Leininger

3047005
3047005

oak leafminers
Cameraria spp.
Damage
Theodor D. Leininger

3046086
3046086

cottonwood leaf curl mite
Aculus lobulifera
Damage
Theodor D. Leininger

3046084
3046084

leaf blister of poplar
Taphrina populina
Symptoms
Theodor D. Leininger

3046088
3046088

paraquat
Damage
Theodor D. Leininger

3046090
3046090

cottonwood leaf beetle
Chrysomela scripta
Adult(s)
Theodor D. Leininger

3046083
3046083

leaf blister of poplar
Taphrina populina
Symptoms
Theodor D. Leininger

3046080
3046080

sycamore anthracnose
Apiognomonia veneta
Symptoms
Theodor D. Leininger

3046073
3046073

bacterial leaf scorch
Xylella fastidiosa
Symptoms
Theodor D. Leininger

3046079
3046079

sycamore anthracnose
Apiognomonia veneta
Symptoms
Theodor D. Leininger

3046094
3046094

rusts
Symptoms
Theodor D. Leininger

3046069
3046069

wild turkey
Meleagris gallopavo
Egg(s)
Theodor D. Leininger

3046081
3046081

2,4-D
Damage
Theodor D. Leininger

3047002
3047002

triclopyr
Damage
Theodor D. Leininger

3046100
3046100

triclopyr
Damage
Theodor D. Leininger

3047001
3047001

triclopyr
Damage
Theodor D. Leininger

3046089
3046089

2,4-D
Damage
Theodor D. Leininger

3047015
3047015

decay
Symptoms
Theodor D. Leininger

3046065
3046065

human caused injury
Damage
Theodor D. Leininger

3046082
3046082

clomazone
Damage
Theodor D. Leininger

3046076
3046076

sycamore dieback
Feature(s)
Theodor D. Leininger

3046066
3046066

chanterelle
Cantharellus cibarius
Fruiting Bodies
Theodor D. Leininger

3046067
3046067

luna moth
Actias luna
Adult(s)
Theodor D. Leininger

3046091
3046091

cottonwood leaf beetle
Chrysomela scripta
Biological Control
Theodor D. Leininger

3047003
3047003

weeping conk
Inonotus dryadeus
Symptoms
Theodor D. Leininger

3047018
3047018

weeping conk
Inonotus dryadeus
Symptoms
Theodor D. Leininger

3047007
3047007

lion's mane hericium
Hericium erinaceus
Fruiting Bodies
Theodor D. Leininger

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