sbrobeson's Favourites
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What
Powdery Mildews (Family Erysiphaceae)Observer
sebotanisteDescription
On Poterium sanguisorba (syn : Sanguisorba minor)
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Powdery Mildews (Family Erysiphaceae)Observer
augochloraDescription
Host plant photo included.
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Observer
oswaldopinzonruedaPlace
Parque Nacional Natural Chingaza, Parque Nacional Natural Chingaza, La Calera, Cundinamarca, Colombia (Google, OSM)Description
Por favor me ayudan con la ID de esta planta.
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Powdery Mildews (Family Erysiphaceae)Observer
joknight_nzDescription
On vervain.
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Umbellifer Powdery Mildew (Erysiphe heraclei)Observer
dirkmDescription
host plant: Pastinaca sativa
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Genus GolovinomycesObserver
aleksandr_levonDescription
on Helianthus tuberosus
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Ascomycete Fungi (Phylum Ascomycota)Observer
reagoDescription
on Rhaphiolepis indica leaves (?) maybe
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Powdery Mildews (Family Erysiphaceae)Observer
yuriysokolov73Description
Delphinium
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Morning-Glories (Genus Ipomoea)Observer
michellem_Description
Debido a la forma de su hoja, debe pertenecer a una variedad dentro de esta especie.
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Powdery Mildews (Family Erysiphaceae)Observer
neontetraploidDescription
on California croton
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Pea Powdery Mildew (Erysiphe pisi var. pisi)Observer
nschwabDescription
ex Trifolium pratense
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Genus GolovinomycesObserver
georgiamiesDescription
Powdery mildew. Growing on leaves of a sunflower plant. White color and very widespread. I collected a sample.
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Genus ErysipheObserver
antonio_hernandezDescription
Sobre hoja de Erythrina americana - colorín.
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Oak Powdery Mildew (Erysiphe alphitoides)Observer
drew_meyerDescription
Host is Quercus sadleriana
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Oak Powdery Mildew (Erysiphe alphitoides)Observer
chloe_and_trevorDescription
On Quercus sadleriana. Or something nearby.
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Genus ErysipheObserver
dvdkssrwDescription
On what I took to be Euphorbia graminea.
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Life (Life)Observer
ldygwn2Description
Speckling damage, yellowing and dying off of leaves
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Powdery Mildews (Family Erysiphaceae)Observer
joknight_nzDescription
On wall speedwell.
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Erysiphe extensaObserver
saherronDescription
Systemic mildew on leaves of Quercus myrtifolia.
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Roses, Elms, Figs, and Allies (Order Rosales)Observer
lizodu
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Powdery Mildews (Family Erysiphaceae)Observer
ziggypop74Description
Cucurbits DM
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Genus GolovinomycesObserver
yerbasantaDescription
On top of phacelia malvifolia leaves
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Platychora ulmiObserver
dylantomtaylorDescription
Immature asci and clubshaped spores
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Powdery Mildews (Family Erysiphaceae)Observer
tamirandaDescription
Em Citrus × limonia
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Genus NeoerysipheObserver
imasongsterDescription
on Monkey Flower(Mimulus alatus)
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Rose Powdery Mildew (Podosphaera pannosa)Observer
carnifexDescription
on Prunus laurocerasus
Leaf underside from pic 5 onwards
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Whiteflies (Family Aleyrodidae)Observer
rolling-in-the-weedsDescription
Whitefly eggs
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Dawn Redwood (Metasequoia glyptostroboides)Observer
sus_scrofaDescription
this small dawn redwood didn't seem planted to me, though maybe it was. it was growing in an unmanaged, forested part of the park, in the shade of taller trees, among wild flowers and shrubs like goldenrods, viburnums, honeysuckle, etc, under a thick layer of leaf litter
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Shagbark Hickory (Carya ovata)Observer
tatumschaffDescription
woods up north at my cabin
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Genus BlumeriaObserver
ressenpreisDescription
This observation is for the white stuff living ON the grasses.
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Barberry Powdery Mildew (Erysiphe berberidis)Observer
lindernia-wDescription
Erysiphe berberidis, O (Echter Mehltau) an Berberis
