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Mycological Observations 15-16: On Omphalia and Pleurotus

S. A. Redhead
Mycologia
Vol. 78, No. 4 (Jul. - Aug., 1986), pp. 522-528
DOI: 10.2307/3807763
Stable URL: http://www.jstor.org/stable/3807763
Page Count: 7
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Mycological Observations 15-16: On Omphalia and Pleurotus
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Abstract

Examination of type specimens indicates that Omphalia papillata Peck = Helotium immaculatum (Peck) Redhead, O. pusillissima Peck = Delicatula integrella (Pers.: Fr.) Fayod, O. vestita Peck = Marasmiellus tricolor (A. & S.: Fr.) Singer, Pleurotus abscondens Peck = P. lignatilis (Pers.: Fr.) Kummer, P. pubescens Peck = Rhodotus palmatus (Bull.: Fr.) R. Maire, P. similis Peck = P. ostreatus (Jacq.: Fr.) Kummer sensu lato, P. terrestris Peck = Lyophyllum affin. decastes (Fr.) Singer, and P. umbonatus Peck = Tricholomopsis radicata (Peck) Singer. Omphalia clavata Peck is transferred to Mycena and is an older name for Mycena thujina A. H. Smith and possibly M. phaeophylla Kühner. Additional data on Agaricus marmoreus Peck are given. It is proposed that Hypsizygus tessellatus (Bull.: Fr.) Singer (basionym: Agaricus tessellatus Bull.) is the correct name for H. marmoreus (Peck) Bigelow (basionym: A. marmoreus Peck).

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