Herbaceous

Ornamentals: Herbaceous

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Subject	Scientific Name	Images
Alternaria fungus	Alternaria papaveris	6
anthracnose	Colletotrichum spp.	9
Ascochyta fungi	Ascochyta spp.	6
black root rot	Thielaviopsis basicola	12
Cercospora fungi	Cercospora spp.	14
Cladosporium fungi	Cladosporium spp.	7
Collecephalus fungus	Collecephalus hemerocallidis	8
Diplodia blight	Sphaeropsis sapinea	1
downy mildew	Peronospora spp.	20
downy mildew	Plasmopara halstedii	13
edema		4
Entomosporium fungus	Entomosporium spp.	1
foliar nematodes	Aphelenchoides spp.	3
Fusarium wilts, blights, rots and damping-off	Fusarium spp.	5
Gonatobotryum fungus	Gonatobotryum spp.	1
gray molds	Botrytis spp.	14
Hosta Virus X	Potexvirus HVX	1
iris leaf spot	Davidiella macrospora	19
leaf blotch	Peyronellaea curtisii	19
Marssonina leaf spot	Marssonina betulae	1
Mayapple rust	Puccinia podophylli	1
Phoma blight	Phoma clematidina	9
pine needle rusts	Coleosporium spp.	3
Ploioderma needle cast of pine	Ploioderma lethale	1
powdery mildew	Erysiphe spp.	2
powdery mildew	Golovinomyces cichoracearum	31
powdery mildew	Podosphaera spp.	1
rust	Puccinia heucherae	12
rust	Puccinia hyssopi	5
rust	Uromyces ari-triphylli	6
Seimatosporium fungi	Seimatosporium spp.	2
Septoria leaf spot and cankers	Septoria spp.	7
smut	Entyloma spp.	8
southern blight	Sclerotium rolfsii	10
Swiss needle cast	Phaeocryptopus gaeumannii	2
Tubercularia cankers	Tubercularia spp.	11
white rot fungus	Stromatinia gladioli	5