E-Flora BC: Electronic Atlas of the Flora of British Columbia

Anthracobia macrocystis (Cooke) Boud.
no common name

Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.

Introduction to the Macrofungi

© Michael Beug  Email the photographer   (Photo ID #52857)

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Distribution of Anthracobia macrocystis
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Species Information

Features include a small reddish orange cup or disc, paler exterior dotted and barred with brown, absent stem, growth on burnt ground, and microscopic characters. Another species, listed for Washington and Alberta by Larsen, is Anthracobia nitida Boud., is probably a synonym of this species.

A. macrocystis is found in BC, OR, ID, and CA, (Larsen).
Upper surface:
0.2-0.3cm, cup-shaped to disc-shaped; reddish orange, (Dennis), 0.1-0.3cm, hemispheric at first then disc-shaped to plate-shaped; orange to reddish orange; the margin dotted with small brownish tufts of hyphae, (Breitenbach)
paler than upper surface, dotted and barred with brown towards the margin, (Dennis), somewhat paler than upper surface and dotted with small brownish tufts of hyphae, (Breitenbach)
none (Dennis, Breitenbach)
spores 16-18 x 7-8 microns, oblong-elliptic, smooth, with two oil drops; asci up to 200 x 15 microns; paraphyses slender, clavate, enlarged to 7 microns wide at tips; at the margin, "surface cells are subglobose with thin brown walls and bear short, broad, thin-walled, 1-2-celled hairs, a few up to 70 x 23 microns, the majority only 1-celled and about 25 x 15 microns", (Dennis), spores 16-18 x 8-9 microns, broadly elliptic, smooth, colorless, with 2 droplets; asci 8-spored, 160 x 15 microns; paraphyses cylindric, septate, tips thickened to 7 microns wide; hairs (clavate hyphal outgrowths) 25-60 x 10-15 microns, 1-celled or 2-celled, (Breitenbach)

Habitat / Range

on burnt ground, July to October, (Dennis for UK), gregarious to crowded on burned ground (Breitenbach for Switzerland)

Synonyms and Alternate Names

Dasyscyphus pygmaeus (Fr.) Sacc. [as Dasyscypha]
Lachnella pygmaea (Fr.) W. Phillips

Taxonomic and Nomenclatural Links

Additional Range and Status Information Links

Additional Photo Sources

Related Databases

Species References

Dennis(1), Breitenbach(1)*, Hansen, L.(1), Larsen(1), Buczacki(1)*

References for the fungi

General References