Observation 328022: Myrothecium sensu lato

Notes:
Substrate/Host: on detatched, fallen bark of unknown wood, probably Eastern Hemlock (Tsuga canadensis)
Habitat: in a hemlock dominated portion of a mixed hardwood-conifer forest
Ecoregion: border of Glaciated Low Allegheny Plateau (60a) and Finger Lakes Uplands and Gorges (60d)
Collector(s): D. Newman
Collection_#: MO
Comments: I found this in Puerto Rico just a few weeks ago, unable to identify it to kingdom. Jonathan introduced me to the name Myrothecium shortly thereafter, which I’d never heard of. lo and behold, here is the same(-ish) thing in my backyard in New York.

Species Lists

Images

Canon EOS 6D + Canon MP-E 65mm f/2.8 1-5x + Yongnuo YN-14EX TTL LED Macro Ring Flash
1/180 sec, f/11, ISO 100
Focus Stacked with Zerene Stacker (14 Images)
Color Corrected w/ X-Rite ColorChecker Passport
Canon EOS 6D + Canon MP-E 65mm f/2.8 1-5x + Yongnuo YN-14EX TTL LED Macro Ring Flash
1/180 sec, f/11, ISO 100
Focus Stacked with Zerene Stacker (20 Images)
Color Corrected w/ X-Rite ColorChecker Passport
Canon EOS 6D + Canon MP-E 65mm f/2.8 1-5x + Yongnuo YN-14EX TTL LED Macro Ring Flash
1/180 sec, f/11, ISO 100
Focus Stacked with Zerene Stacker (17 Images)
Color Corrected w/ X-Rite ColorChecker Passport
400x – 10% KOH – Setae
Olympus BHS + Canon 6D + PA1-10A Photomicroadapter
400x – 10% KOH – Seta
Olympus BHS + Canon 6D + PA1-10A Photomicroadapter
1000x – 10% KOH – Seta
Olympus BHS + Canon 6D + PA1-10A Photomicroadapter
1000x – 10% KOH – Conidiophores
Olympus BHS + Canon 6D + PA1-10A Photomicroadapter

Proposed Names

58% (1)
Recognized by sight
Used references: Lombard, L; Houbraken, J; Decock, C; Samson, R.A; Meijer, M; Réblová, M; Groenewald, J.Z; Crous, P.W. 2016. Generic hyper-diversity in Stachybotriaceae. Persoonia. 36:156-246 (link)
29% (1)
Used references: same as above
Based on microscopic features: long, sharply pointed, septate, hyaline setae

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= Observer’s choice
= Current consensus

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