Mating systems inOmphalotus (Paxillaceae, Agaricales) |
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| Authors: | Ronald H Petersen Karen W Hughes |
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| Institution: | (1) Botany Department, University of Tennessee, 37996-1100 Knoxville, Tennessee, USA |
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| Abstract: | Pairings of monokaryon cultures representingOmphalotus illudens (eastern North America),O. nidiformis (southeastern Australia),O. olearius (southern Europe),O. olivascens (North American Pacific coast), andO. subilludens (southern North America) showed widely variable compatibility patterns.Omphalotus olearius ×O. subilludens ×O. olivascens showed high compatibility, whileO. illudens was significantly less compatible with all other taxa. Isolates ofOmphalotus nidiformis represented an almost genetically isolated biological species. The role of partial compatibility in nomenclatural ranking is discussed. |
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| Keywords: | Fungi Basidiomycetes Paxillaceae Omphalotus Mating systems speciation |
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