tom1548's Favorites
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What
Phyllactinia populiObserver
easy_to_distinguishDescription
host: Populus sp. (P. aff. nigra / P. aff. ×canadensis / cultivars)
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Higher Ascomycetes (Subphylum Pezizomycotina)Observer
csledgeDescription
On Desmodium canadense
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Erysiphe abbreviataObserver
zihaowangDescription
200x and 800x magnifications. Fruiting bodies seemed to only form on the abaxial leaf surface of Quercus bicolor.
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Erysiphe alphitoidesObserver
wilto1cmDescription
Covering many Quercus alba seedlings
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Fungi Including Lichens (Kingdom Fungi)Observer
bluebellprinceDescription
On Arisaema triphyllum
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Dinemasporium affineObserver
ikhomDescription
On decorticated hardwood.
Conidia with short and thin setulae 1-1.5um length. They look different from D. decipiens.
Conidia measure
*(3.5) 4.2 - 5.4 (6.5) × (1.4) 1.43 - 1.7 (2) µm
Q = (2.2) 2.6 - 3.5 (3.8) ; N = 26
Me = 4.7 × 1.6 µm ; Qe = 3
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What
Higher Ascomycetes (Subphylum Pezizomycotina)Observer
tom1548Description
Acer host
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Observer
ikhomDescription
On Acer stump, tiny, dark grey in a dehydrated state, sessile apothecia with red subiculum. After rehydration 0.2-0.4mm in diameter.
Asci 8-spored, IKI- (checked twice), croziers(+).
Ascospores eguttulate, ciboroid to subfusiform, OCI=0-1, measure
(7.5) 7.6 - 9.1 (13.2) × (3.1) 3.3 - 3.69 (3.7) µm
Q = (2.2) 2.21 - 2.6 (3.6) ; N = 10
Me = 8.6 × 3.4 µm ; Qe = 2.5
Paraphyses filiform, without VBs, green. Ectal excipulum red.
Freshly grown apothecia dark green without red subiculum, but still with red ectal excipulum only at the base. Paraphyses branched at the base and in the middle with apex enlarge with some globose VBs.
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What
Higher Ascomycetes (Subphylum Pezizomycotina)Observer
tom1548Description
Black discs
Underlying crust fungus unknown, posted here
https://www.inaturalist.org/observations/198237084
4th photo from different log. It's host crust fungus is posted here
https://www.inaturalist.org/observations/198235655
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Fungi Including Lichens (Kingdom Fungi)Observer
tom1548Description
On sycamore bark
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Observer
rambryumDescription
Best guess for black lecidiene apothecia on Ochrolechia
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Fungi Including Lichens (Kingdom Fungi)Observer
sus_scrofaDescription
this observation is for the lichenicolous fungus that appears to be parasitizing this Phaeophyscia sp. (P. adiastola or P. hirsuta maybe)
on granitic rock
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Order TubeufialesObserver
dylantomtaylorDescription
On maple - too immature to scope but immature spores we’re allantoid and hyaline
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Fungi Including Lichens (Kingdom Fungi)Observer
pavelsinkDescription
ex Larix decidua
The mycelium was in its original position at the base of the branch.
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Life (Life)Observer
bluebellprinceDescription
No idea what this is.
It was stiff and solid, felt kind of woody. Attached to something stuck in the mud. I was thinking it might be exposed roots. There was a lot of it. The only thing CV suggested that looked plausible was X. filiformis, but I know almost nothing about Xylaria so I didn't put it at species.
Habitat: rich white cedar (Thuja occidentalis) swamp
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Rosinweeds (Genus Silphium)Observer
phoebemjDescription
S. laciniatum and S. perfoliatum hybrid or just weird S. perfoliatum? Further notes in @trevorzook 's description.
Last photo with three flowers in the hand compare nearby S. perfoliatum (bottom right) with S. laciniatum (top right) and the plant in question (left)
