Deuteromycetes. II. Antromycopsis broussonetiae

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Abstract
Antromycopsis broussonetiae has recently been shown to be the appropriate form name for the coremia produced by Pleurotus cystidiosus and has been redescribed and figured by Pollack and Miller (Mem. N.Y. Bot. Gard. 28(1): 174–178, 1976). The present report represents the historical background and possible significance of the form species. That is, if A. broussonetiae is the status imperfectus of P. cystidiosus, then P. cystidiosus should occur in Algeria, the type locality of A. broussonetiae. The monokaryons of P. cystidiosus, when cultured, also produce coremia with an apical mucous spore drop. These, however, are smaller, as are the arthrospores. On the basis of descriptions and drawings it is suggested that A. broussonetiae subsp. minor Penzig & Saccardo may represent such monokaryotic coremia of P. cystidiosus; if so, then the anticipated range of P. cystidiosus is extended to India and Java. (Pleurotus cystidiosus was described from North America and has also been reported from South Africa and Taiwan.)

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