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The Genus Hohenbuehelia
by Michael Kuo
Members of the genus Hohenbuehelia grow on wood or on woody debris and are usually stem-less, pleurotoid mushrooms. They have white spore prints and often smell and taste mealy. The genus is full of drab colors, from boring shades of beige to dull browns and blacks, which might lead one to call them "Ho-hum-buehelias"--except that other defining features of the genus include stunning "metuloid" cystidia and a "nematophagous" tendency. That last term means that species of Hohenbuehelia eat nematodes--those microscopic worms you may remember from high-school biology. (No, I'm not making this up. See George Barron's War of the Microworlds for details and illustrations.)
Identification of Hohenbuehelia species frequently depends, at least in part, on microscopic examination. The keys and descriptions in Thorn (1986) and Thorn and Barron (1986) treat most North American species (along with taxa in a few closely related genera).
Alberto, E., A. Fazio & J. E. Wright (1998). Reevaluation of Hohenbuehelia nigra and species with close affinities. Mycologia 90: 142-150.
Thorn, R. G. & G. L. Barron (1984). Carnivorous mushrooms. Science 224: 76-78.
Thorn, R. G. (1986). The "Pleurotus silvanus" complex. Mycotaxon 25: 27-66.
Thorn, R. G., J.-M. Moncalvo, C. A. Reddy & R. Vilgalys (2000). Phylogenetic analyses and the distribution of nematophagy support a monophyletic Pleurotaceae within the polyphyletic pleurotoid-lentinoid fungi. Mycologia 92: 241-252.
Cite this page as:
Kuo, M. (2009, April). Hohenbuehelia petaloides. Retrieved from the MushroomExpert.Com Web site: http://www.mushroomexpert.com/hohenbuehelia_petaloides.html