Psilotopsida
Translingual
Wikispecies
Etymology
Psilotum
+
-opsida
Proper noun
Psilotopsida
A taxonomic
class
within the
subdivision
Pterophyta
– the
whisk fern
s.
Hyponyms
(
class
)
:
Psilotales
,
Ophioglossales
- orders
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