Mucronella calva Fr.
no common name
Clavariaceae
Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.
Introduction to the Macrofungi
no common name
Clavariaceae
Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.
Introduction to the Macrofungi
Photograph
Species Information
Odor:
indistinct (Siegel)
Taste:
indistinct (Siegel)
Microscopic:
spores 4.5-6 x 3-4 microns, oval, smooth, colorless, without droplets; basidia 4-spored, 16-19 x 6-7 microns, clavate; cystidia not seen; hyphae monomitic, hyphae at base of fruiting body inflated, 5-10 microns wide, the other hyphae 2-4 microns wide, cylindric, and occasional septa with clamp connections, (Breitenbach), spores 4-6 x 3 microns, oblong, hardly depressed; basidia 12-18 x 4 microns; hyphae "3-6 microns wide, thin-walled, emerging in a sterile bundle at the tip of the fruiting body", (Corner(2)), spores 3.5-5(6) x 2-3 microns; basidia 4-spored, 15-22 x 3.5-4.5 microns; hyphae 3-6 microns, thin-walled, (Corner(3), quoting Pilat), spores pale blue amyloid (Corner(3)), spores 4.3-4.7(5.5) x 2.6-3.1 microns; basidia 4-spored, 9-15 x 5 microns, sterigmata 5-6 microns long; cystidia none; hyphae 2-4 microns wide, clamped, with many parallelepiped crystals between them, (Corner(3), quoting Malencon for var. aggregata), spores 4-6 x 2.5-3.5 microns, oblong to elliptic, smooth, (Siegel(2)), spores 5.5-6 x 4-6 microns, nearly round, smooth, amyloid, (Buczacki)
Spore Deposit:
white (Buczacki)
Habitat and Range
SIMILAR SPECIES
Mucronella bresadolae has larger spines, longer wider spores, and larger basidia, (Breitenbach).Habitat
on rotten pine wood (Corner(2)), on rotten conifer wood, (Corner(3) for BC specimen), in clusters, sometimes covering a fairly large area on sides or undersides of large, well-rotted conifer logs, often Douglas fir, (Siegel), on the underside of small rotten trunks of Picea (spruce) lying on the ground, (Breitenbach), in small to large groups, on rotting wood, usually old trunks or stumps of conifers, typically on the underside, occasionally on hardwood; late summer to fall, (Buczacki)
Status Information
Synonyms
Synonyms and Alternate Names:
Cordyceps myrmecophila Ces.
Ramaria stricta var. concolor Corner