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, 102 (5), 1082-8

Morchella Tomentosa: A Unique Belowground Structure and a New Clade of Morels

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Morchella Tomentosa: A Unique Belowground Structure and a New Clade of Morels

Franck O P Stefani et al. Mycologia.

Abstract

Mechanisms involved in post-fire morel fructification remain unclear. A new undescribed belowground vegetative structure of Morchella tomentosa in a burned boreal forest was investigated north of Fairbanks, Alaska. The name "radiscisclerotium" is proposed to define this peculiar and elaborate below-ground 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.

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