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psilotatae |
1 definition found From WordNet r 1.6 [wn]: Psilotatae n : whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs [syn: {Psilopsida}, {class Psilopsida}, {Psilotatae}, {class Psilotatae}]
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