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Strossmayeria cf. basitricha (orig det: indet. Leotiomycete)

Danny Newman, 03-02-2024 07:11

observation with full resolution images available at https://www.inaturalist.org/observations/193076443

Loc: Feliciana Retreat Center, Norwood, Louisiana, USA
Coll: R. Cronce & D. Newman
Substrate: on dead, downed, corticate, firm/undecomposed, hardwood stick

FBs under 1mm in diam.

all mounts of fresh/living material in undistilled H2O.

Spores:
(43.7) 45.5 - 63.5 (68.2) × (5.8) 6.2 - 7.9 (8.1) µm
Q = (6) 6.6 - 9.7 (10.5) ; N = 20
Me = 55.7 × 7 µm ; Qe = 8

Hans-Otto Baral, 03-02-2024 10:25

Re : indet. Leotiomycete

Great microscopy! Compare Strossmayeria.

Danny Newman, 03-02-2024 17:03

Re : indet. Leotiomycete

Thank you Zotto :) A user from iNaturalist (Igor Khomenko) confirms this, and another from the Ascomycetes of the World FB Group (Adam Polhorský) also mentions that the Pseudospiropes anamorph is visible in one of the macro photos. At last, I have good cause to use Dr. Iturriaga's key.

At the time of writing, MycoPortal contains a single record from 1934 of this genus from the state of Louisiana. We are finding a lot of cases like this in terms of reported vs. actual discomycete diversity in the Gulf coast area.

Danny Newman, 19-02-2024 01:17

Re : indet. Leotiomycete

Spores:
(43.7) 45.5 - 63.5 (68.2) × (5.8) 6.2 - 7.9 (8.1) µm
Q = (6) 6.6 - 9.7 (10.5) ; N = 20
Me = 55.7 × 7 µm ; Qe = 8

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