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 Marasmius subsupinus
SynonymsAgaricus subsupinus
BiostatusPresent in region - Origin uncertain
Article: Stevenson, G. (1964). The Agaricales of New Zealand: V. Kew Bulletin 19(1): 1-59.
Description: The type specimen at Kew has been examined and the following; description applies to it:
Pileus 5-10 mm diam., pinkish sepia, furfuraceous, orbicular to reniform. Gills adnate pinkish fawn, moderately distant. Stipe 2-3 x 0.5 mm, pinkish sepia, farinaceous, excentric, curved, inserted in dead wood. Spores 8-10 x 4-5 µm, non-amyloid. Hymenophoral trama non-amyloid. Cuticle of pseudoamyloid globe cells.
The New Zealand material referred to this species by Massee (1898), and preserved at Kew, is not of Marasmius but appears to belong to the Laschia complex. Massee's statement that the gills are sometimes uppermost is incorrect. The writer has no herbarium specimens of M. subsupinus, but considers that a small stalked bracket agaric, commonly seen on standing dead wood in New Zealand, is referable to this species. More collections are needed.
M. inversus Massee in Trans. N.Z. Inst. 31: 343 (1898) appears to be identical, though the spores of the type, which has been examined at Kew slightly smaller, 6-8 x 4-5 µm Massee's claim that the gills are uppermost appears insupportable, and may have been due to a lack of understanding of the habit of growth.
Article: Massee, G.E. (1899) [1898]. The fungus flora of New Zealand. Transactions and Proceedings of the New Zealand Institute 31: 282–349 Wellington:.
Description: Pileus almost membranaceous, convex, erect at first, then frequently upturned with the gills
uppermost, rather wrinkled, mealy, whitish, or tinged brown, 0.5-1 cm. diameter; gills
adnexed, rather broad, few in number, rather thick and rigid, plane, not connected by veins;
spores pip-shaped, 7 x 4 µ; stem 2-3 mm. long, slender, mealy.
Habitat: On dead stems of Rhipogonum.
Distribution: Pohangina River, New Zealand. Tasmania, Australia.
Notes: Sometimes growing horizontally with the pileus uppermost, and standing out from the matrix
like one valve of a tiny bivalve shell. Gregarious.
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