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 Mniopetalum bisporum
SynonymsRimbachia arachnoidea subsp. bispora
Leptoglossum galeatum
Cyphella muscigena
Lachnella muscigena
BiostatusPresent in region - Indigenous. Non endemic
Article: Cunningham, G.H. (1963). The Thelephoraceae of Australia and New Zealand. New Zealand Department of Scientific and Industrial Research, Bulletin 145: 359 p. Wellington:.
Description: Pilei annual, scattered, ceraceous, fragile, 0.2-3 mm diameter, campanulate, often irregular,
attached by or pendent from brief bases arising from white fibrillose discs; exterior white,
drying white or pallid cream, naked or at first delicately tomentose with hyphal ends of
context hyphae; margin acute, plane or flaring, often deeply lacerated; hymenial surface even
or slightly rugulose, white. Context white, to 100 µm thick, of radiately arranged densely
compacted hyphae; generative hyphae to 8 N. diameter, commonly about 5 µm, walls 0.25
µm thick, hyaline. Hymenial layer to 40 µm deep, a dense palisade of basidia and paraphyses.
Basidia subclavate, 16-24 x 5-6 µm, bearing 2-4 spores; sterigmata erect, slender, to 6 µm
long. Paraphyses subclavate, 12-18 x 4-5 µm. Spores pyriform or oval with acuminate bases,
apiculate, 7-9 x 5-6 µm, walls smooth, hyaline, 0.25 µm thick.
Habitat:
HABITAT: Scattered on leaves and stems of mosses.
Distribution: DISTRIBUTION: Europe, Great Britain, Australia, New Zealand.
Notes: Plants agree with authentic specimens examined in Kew herbarium. The species may be.
recognised by the fragile naked pilei, context hyphae of large diameter, and oval spores with
acuminate bases. The moss habitat is also noteworthy. Bourdot & Galzin (1928, p. 158)
stated that context, hyphae were without clamp connections; but as they are present in
specimens at hand it is possible two species are involved. The hymenial surface is usually
even; occasional plants are slightly rugulose, the condition being confined to large specimens.
Owing to similarity of specific names, the species might be confused with Cantharellus
muscigenus (Bull.) Fr. which has been proposed by Donk (1951, pp. 211, 213) as the type
species for Leptoglossum Karst. and Dictyolus Quel.
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