 psilopsida |
||
| 1. | [ noun ] (biology,botany) whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs | |
| Synonyms: | Psilotatae class_Psilotatae class_Psilopsida | |
| Related terms: | class Pteridophyta Psilotales | |
| Similar spelling: |
Psilophytales psilophyte |
|
