Definition that contains adal
- cycadophytina palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)
- cycad any tropical gymnosperm of the order Cycadales; having unbranched stems with a crown of fernlike leaves
- family scheuchzeriaceae a family of monocotyledonous bog herbs of order Naiadales
- scheuchzeriaceae a family of monocotyledonous bog herbs of order Naiadales
- class cycadopsida palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)
- cycadopsida palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)
- arrow-grass family a family of monocotyledonous bog herbs of order Naiadales
- guadalupe cypress relatively low wide-spreading endemic on Guadalupe Island; cultivated for its bluish foliage
- subdivision cycadophyta palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)
- cupressus guadalupensis relatively low wide-spreading endemic on Guadalupe Island; cultivated for its bluish foliage