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Helvella compressa

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Species of fungus

Helvella compressa
Baja California, Mexico, 2019
Los Peñasquitos Canyon Preserve, 2017
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Pezizomycetes
Order: Pezizales
Family: Helvellaceae
Genus: Helvella
Species: H. compressa
Binomial name
Helvella compressa
(Snyder) N.S.Weber (1975)
Synonyms
  • Paxina compressa Synder (1936)

Helvella compressa, also known as the compressed elfin saddle, is a species of ascomycete "sac fungus" related to the Peziza cups. Helvella compressa is endemic to North America west of the Rocky Mountains. According to David Arora, H. compressa "seems to be the most common" of the non-fluted Helvellas found in California. Helvella compressa is possibly also present in China and Tibet.

The distinctive fruiting body looks roughly like a fortune cookie on a stick and can only be confused with Helvella albella, which is rarer, and has a darker brown cap and a smooth underside (rather than H. compressa's "faintly" fuzzy underside) and H. elastica, which is smaller, with "rounder lobes". H. compressa can be distinguished from Helvella atra by its coloration.

Helvella compressa is genetically closely related to H. stevensii, H. corbierei, and H. levis (synonym of Helvella latispora). H. levis is more common in Europe and the Danish call it Bredsporet foldhat ("wide-brimmed hat"). Helvella stevensii is smaller and paler than H. compressa.

See also

References

  1. "GSD Species Synonymy. Current Name: Helvella compressa (Snyder) N.S. Weber, Beih. Nova Hedwigia 51: 35 (1975)". Species Fungorum. Retrieved 16 March 2024.
  2. ^ Abbott, Sean P.; Currah, R. S. (April–May 1997). "The Helvellaceae: Systematic revision and occurrence in northern and northwestern North America". Mycotaxon. LXII: 1–125. doi:10.7939/R3TD9NG3F.
  3. ^ Arora, David (1986). Mushrooms Demystified: A Comprehensive Guide to the Fleshy Fungi (2nd ed.). Berkeley: Ten Speed Press. pp. 811–812. ISBN 978-0-89815-169-5. LCCN 86005917. OCLC 13702933.
  4. ^ Mao, N.; Xu, Y.Y.; Zhang, Y.X.; Huang, X.B.; Hou, C.L.; Fan, L. (2023-12-15). "Phylogeny and species diversity of the genus Helvella with emphasis on eighteen new species from China". Fungal Systematics and Evolution. 12 (1): 111–152. doi:10.3114/fuse.2023.12.08. ISSN 2589-3823. PMC 10964050.
  5. Siegel, Noah; Schwarz, Christian (2016). Mushrooms of the Redwood Coast: A Comprehensive Guide to the Fungi of Coastal Northern California. Clarkson Potter/Ten Speed. p. 556. ISBN 9781607748182. LCCN 2015027853. OCLC 956478776.
  6. "Bredsporet foldhat (Helvella levis)". Danmarks Svampeatlas. Retrieved 2024-03-16.
Taxon identifiers
Helvella compressa
Paxina compressa


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