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Title: Morchella tomentosa: a unique belowground structure and a new clade of morels
Author: Stefani, Franck O.P.; Sokolski, Serge; Wurtz, Trish L.; Piché, Yves; Hamelin, Richard C.; Fortin, J. André; Bérubé, Jean A.
Source: Mycologia. 102(5): 1082-1088
Description: Mechanisms involved in post-fire morel fructification remain unclear. A new undescribed belowground vegetative structure of Marchella tomentosa in a burned boreal forest was investigated north of Fairbanks, Alaska. The name "radiscisclerotium" is proposed to define this peculiar and elaborate belowground vegetative structure of M. tomentosa. Bayesian and maximum parsimony analyses based on ITS rRNA regions and nLSU gene strongly supported a new clade composed of M. tomentosa within the genus Morchella.
Keywords: belowground structure, burned boreal forest, connective mycelium, post-fire morels, radiscisclerotia, rRNA phylogeny, sclerotia
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Stefani, Franck O.P.; Sokolski, Serge; Wurtz, Trish L.; Piché, Yves; Hamelin, Richard C.; Fortin, J. André; Bérubé, Jean A. 2010. Morchella tomentosa: a unique belowground structure and a new clade of morels. Mycologia. 102(5): 1082-1088.
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