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class Psilotatae

DEFINITIONS OF: class Psilotatae

1

n whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs

Synonyms:
Psilopsida, Psilotatae, class Psilopsida
Type of:
class
(biology) a taxonomic group containing one or more orders
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