Abstract
Fifty-five Isoetes plants from 11 localities were uniformly 2n = 77. These plants were referable to I. harveyi A. A. Eaton, and exhibited hybrid vigour. SEM of spores of the type and other collections had polymorphic spores and exhibited a morphology that ranged from I. macrospora to I. tuckermanii, the putative parents. This common hybrid should be named I. ×harveyi A. A. Eaton pro sp. Key words: Isoetes, hybrid, cytology, SEM.
Publisher
Canadian Science Publishing
Cited by
20 articles.
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