Peziza arvernensis Boud.
no common name
Pezizaceae
Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.
Introduction to the Macrofungi
no common name
Pezizaceae
Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.
Introduction to the Macrofungi
Photograph
Species Information
Summary:
Features include 1) a large cup that becomes expanded and undulating, with the upper surface light yellowish brown to chestnut brown, 2) thin fragile flesh, 3) exterior lighter in color and almost smooth, 4) growth on ground in woods, and 5) microscopic characters including spores with fine punctate ornamentation.
Microscopic:
spores 14-17 x 8-9 microns, (according to literature 14.5-19 x 8-11 microns), broadly elliptic, finely punctate and rough, colorless, without droplets; asci 8-spored, 180-240 x 11-13 microns, positive reaction with iodine; paraphyses cylindric, septate, tips with slight clavate widening to 5-7 microns, (Breitenbach), 17-19 x 9-10 microns, elliptic, with fine punctate ornamentation, without droplets; paraphyses straight, round at the tip, guttulate [with droplet(s)], (Dennis), spores 15-20 x 9-10 microns, lacking large oil droplets, (Trudell)
Notes:
Peziza arvernensis is found at least in OR, ID, AB, and UT, (Larsen). P. sylvestris (Boud.) Sacc. & Trott found at least in BC, WA, OR, ID, CA, UT, and WY, (Larsen), Switzerland (Breitenbach), United Kingdom (Dennis), Denmark, Finland, and Sweden, (Hansen), and OR, CA, Denmark, and the Netherlands, (Hansen, K.).
Habitat and Range
SIMILAR SPECIES
Peziza varia, Peziza repanda, and Peziza cerea [see Peziza varia group] all have smooth or only extremely weakly punctate spores, (Breitenbach).Habitat
single to gregarious in beech forests on ground among leaf litter, April to July, (Breitenbach), on the ground in woods, May to July, (Dennis), on soil, sawdust, and rotting wood, (Hansen)
Status Information
Synonyms
Synonyms and Alternate Names:
Aleuria amplissima Boud.
Gautieria graveolens Vittad. var. otthii (Trog) Zeller &
Peziza sylvestris (Boud.) Sacc.