Fungi: Basidiomycota: Agaricomycetes: Agaricales: Crepidotaceae: Crepidotus praecipuus E.Horak

Crepidotus praecipuus – rusty-gilled conch

Common name: rusty-gilled conch.

Extract from Wikipedia article: Crepidotus praecipuus, is a species of fungus in the family Crepidotaceae first described in 2018. It is commonly known as a rusty-gilled conch, along with other kidney shaped, rusty-brown spored species of Crepidotus. It is saprobic on wood, like other Crepidotus species.

Photos of this mushroom from East and Central Texas

Tiny yellow oysterling mushrooms Crepidotus praecipuus(?) in crevices of a dry standing huisache (Acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
23900 Farm-to-Market Road 1155, Washington, Texas 77880, United States

Gills of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) in crevices of a dry standing huisache (Acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
23880 Farm-to-Market Road 1155, Washington, Texas 77880, United States

Underside of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) in crevices of a dry standing huisache (Acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
23900 Farm-to-Market Road 1155, Washington, Texas 77880, United States

Close-up of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) on rotting wood of huisache (Acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
23900 Farm-to-Market Road 1155, Washington, Texas 77880, United States

Tissues (at low magnification) of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) from crevices of a dry standing huisache (Acacia) tree, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023

Hyphae (in Congo Red) of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) from crevices of a dry standing huisache (Acacia) tree, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023

Basidia and spores of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) from crevices of a dry standing huisache (Acacia) tree, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023

Some conidia in tissues of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) from a huisache tree, collected in Washington-on-the-Brazos State Historic Site. Texas, January 3, 2023

Tissues and spores at low magnification of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) from a huisache tree, collected in Washington-on-the-Brazos State Historic Site. Texas, January 3, 2023

Tissues and spores (in Congo Red) of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) from a huisache tree, collected in Washington-on-the-Brazos State Historic Site. Texas, January 3, 2023

Cystidia(?) of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) from a huisache tree, collected in Washington-on-the-Brazos State Historic Site. Texas, January 3, 2023

Spores of tiny yellow oysterling mushrooms Crepidotus praecipuus(?) from a dry huisache, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
Spore size 6.9 - 7.5 × 5 - 5.9 µm, length to width ratio Q = 1.3 - 1.4.

Comments

• Data for this species were obtained from the dataset https://www.gbif.org.
• There is a Wikipedia article about this species.

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Links

• List of mushrooms with photos.
• Photos grouped by dates.
• List of Latin names.
• List of common names.
• Locations on a map.
• Scripts for generating the web pages.
• Mushrooms from Texas, old version of web page.
• Mushrooms of Russia.
• Collection of mushrooms from Qatar.
• Picture archives.
• Home page of A. Sergeev.

Acknowledgements

Mushroom Observer and Facebook for learning names of local mushrooms.

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