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

Typhula megasperma Berthier
no common name
Typhulaceae

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

Introduction to the Macrofungi
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Distribution of Typhula megasperma
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Species Information

Summary:

Not available
Fruiting body:
2.5-4cm high, head up to 1.8cm high and 0.03-0.35cm wide, filiform cylindric; pale yellowish brownish, bald except the strigosofibrillose base at the junction with the sclerotium, (Corner), pale yellowish, 2.5-4cm high, (Berthier)
Stem:
up to 2.5cm long and 0.02-0.03cm wide; sclerotium 0.1-0.15cm wide, nearly spherical, drying compressed and wrinkled, dark fuscous brown, (Corner), sclerotium blackish (Berthier)
Microscopic:
spores 14-16.5 x 7-8.3 microns, "finely granular-opalescent"; basidia (2-)4-spored, 38-50 x 15-17 microns; hyphae up to 10 microns wide, "very long-celled, without clamps, the walls firm, not agglutinated in the medulla"; "caulocystidia none, but the excrescent hyphae at the base of the stem - 1.5 mm long, 3-5 microns wide, with pale yellow brown walls 1-2 microns thick, aseptate, unbranched, smooth, with obtuse ends, not or scarcely tapered"; sclerotium structure as in T. phacorrhiza but cuticle thin (about 1 micron), and the outer layer of cells thin-walled, (Corner), spores similar to those of T. phacorrhiza but larger, 17-18 x 7.75-8.25 microns compared with 14-16 x 4.5-5.5 for T. phacorrhiza; inamyloid; basidia 4-spored; hyphae clamped, stem of a different structure than T. phacorrhiza "ecorce importante constituee, en bordure de 2-3 couches d''hyphes a paroi un peu epaisse, peut-etre unies par une mince gelee, et plus a l''interieur d''hyphes souvent plus grosses peut-etre unies par une gelee; moelle non lacuneuse faite d''hyphes (x 3-8 microns) a paroi mince"; "sclerote gelifie a epidermoide normal superficiel qui differe de celui de T. phacorrhiza par sa cuticule tres epaisse (6 microns) et ornee de stries anticlines: hyphe constitutives, de 4-5-7 microns de diametre, a paroi tres epaisse, partiellement gelifiee, unies par une gelee interstitielle" [accents omitted], hairs absent the length of the stem, but a crown of long "trichoides" at the base, comprised of simple hairs of regular diameter (2.5-3 microns), isolated or fasciculate [in bundles], with somewhat thickened walls and sometimes weakly colored, (Berthier)

Habitat / Range

the type on debris in conifer forest, (Berthier)

Taxonomic and Nomenclatural Links


Genetic information (NCBI Taxonomy Database)
Taxonomic Information from the World Flora Online
Index Fungorium
Taxonomic reference: Monographie Des Typhula Fr., Pistillaria Fr. et genres voisins p. 78. 1976

Additional Range and Status Information Links

Additional Photo Sources

Related Databases

Species References

Berthier(1), Corner(3) (as T. phacorrhiza)

References for the fungi

General References