Author: D.A. Reid
Citation: Nova Hedwigia, Beih. 18: 290 (1965) / Reid, D.A. 1965. A monograph of the stipitate stereoid fungi. Beihefte zur Nova Hedwigia. 18:1-382
Stereopsis D.A. Reid 1965. Beih. Nova Hedwigia 18: 290-291
TYPE. Thelephora radicans Berk., Hooker’s Lond. J. Bot. 3: 190, 1844.
Basidiomes coriaceous, pleuropodal to flabellate or nearly infundibuliform, hymenial surface smooth to weakly radially rugose, septa simple in some species, basidiospores narrowly ovoid, ellipsoid to subglobose, typically with a prominent apiculus. The genus is similar to Cotylidia but differs in the lack of hymenial cystidia. Three species occur in North America. Stereopsis hiscens (Berk. & Ravenel) D.A. Reid has clamp connections and subglobose basidiospores 4.5-8.8 X 3.5-8.0 µm; S. humphreyi (Burt) Redhead & D.A. Reid has clamp connections and narrowly to broadly ovoid or ellipsoid basidiospores 6.5-9.0 X 3.5-5.5 µm; whereas S. burtianum (Peck) D.A. Reid lacks clamp connections and has smaller, broadly ellipsoid to subglobose basidiospores 3.5-5.0 X 2.5-3.5 µm.
Genera of the North American Corticiaceae Sensu Lato
Mycologia , Vol. 90, No. 1 (Jan. – Feb., 1998), pp. 1-35
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