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Phaeomarasmius hispidulus E. Horak 1980

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Threat status: Data deficient

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Phaeomarasmius hispidulus E. Horak, New Zealand J. Bot. 18 175 (1980)

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E. Horak
E. Horak
1980
175
ICN
Phaeomarasmius hispidulus E. Horak 1980
NZ holotype (PDD 27154)
species
Phaeomarasmius hispidulus
New Zealand: Stewart Island, Golden Bay, 12.III. 1969, leg. Horak (PDD 27154, holotype; ZT 69/124, isotype).

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hispidulus

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Phaeomarasmius hispidulus E. Horak 1980

-8 mm, convexus, subferrugineus, squamulis concoloribus recurvatis dense obtectus. Lamellae adnatae, subcarneae dein ferrugineae. Stipes -10 x -I mm. cylindricus, pileo concolor, cortina subperonata instructus. Spores 5-6 x 4.5-5.5 µm, subovatae, brunneae. Cheilocystidia subfusoideo-capitata. Ad frustula plantarum. Novazelandia.
New Zealand: Stewart Island, Golden Bay, 12.111.1969, leg. Horak(PDD 27154, holotype: ZT 69/124, isotype).
Pileus -8 mm, hemispheric to convex, plane in over mature specimens; yellow-brown to brown with distinct rust-brown tinge; densely covered with appressed to spiny fibrillose minute squamules or scales, felty to velutinous towards margin; dry, not hygrophanous, margin not striate, veil remnants absent. Lamellae (L 8-10, -3) moderately crowded, subventricose; adnexed to adnate; pale reddish brown, becoming cinnamon-brown to rust-brown, edge albofimbriate. Stipe -10 x -I mm, cylindric, equal, central; concolorous with pileus; covered with hairy to lanose longitudinal fibrils, cortina forming distinct fibrillose girdle when young, evanescent with age; dry, hollow, single in groups. Context pale brown. Odour and taste not distinctive. Spores 5-6 x 4.5-5.5 µm, ovoid to subglobose, brown, smooth, membrane thin-walled, germ pore absent. Basidia 20-30 x 6-7 µm, 4-spored. Cheilocystidia 30-60 x 3-7 µm, cylindric or subfusoid with distinct capitate apex, sublecythiform, membrane thin-walled, hyaline, clamped at basal septum. Pleurocystidia and caulocystidia absent. Cuticle a trichoderm of cylindric hyphae, terminal cells not cystidioid, membrane not gelatinised, heavily encrusted with brown (KOH) pigment. Clamp connections numerous.
on rotting leaves and stems of Olearia and Senecio (Compositae). New Zealand,
This species grows on well rotten debris of tree-daisies (Olearia) and groundsels (Senecio) in damp habitats. It is distinguished from all other New Zealand representatives of Phaeomarasmius by the following characters: small size of the carpophores, subglobose to ovoid spores, and slender subcapitate cheilocystidia. Compare also P. lanatulus Horak.
Typus PDD 27154.

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Phaeomarasmius hispidulus E. Horak 1980
Phaeomarasmius hispidulus E. Horak (1980)
Phaeomarasmius hispidulus E. Horak 1980
Phaeomarasmius hispidulus E. Horak (1980)
Phaeomarasmius hispidulus E. Horak 1980
Phaeomarasmius hispidulus E. Horak (1980)
Phaeomarasmius hispidulus E. Horak 1980
Phaeomarasmius hispidulus E. Horak (1980)
Phaeomarasmius hispidulus E. Horak 1980
Phaeomarasmius hispidulus E. Horak (1980)
Phaeomarasmius hispidulus E. Horak 1980
Phaeomarasmius hispidulus E. Horak (1980)
Phaeomarasmius hispidulus E. Horak 1980
Phaeomarasmius hispidulus E. Horak (1980)

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Phaeomarasmius hispidulus E. Horak 1980
[Not available]

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typification
New Zealand: Stewart Island, Golden Bay, 12.III. 1969, leg. Horak (PDD 27154, holotype; ZT 69/124, isotype).

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1cb1b5da-36b9-11d5-9548-00d0592d548c
scientific name
Names_Fungi
1 January 2000
25 May 2011
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