Marsileaceae Water-clover Family

Marsilea
 M. mucronata A. Br. Water-clover
 M. vestita


 Salviniaceae Water Fern Family

Azolla
 A. caroliniana Willd. Mosquito Fern

Salvinia
 S. rotundifolia Willd. Water Fern
 S. auriculata


 Class Gymnospermae


 Cycadaceae Sago-palm Family

Zamia
 Z. integrifolia Ait. Coontie
 Z. angustifolia, Z. silvicola, Z. umbrosa


 Taxaceae Yew Family

Taxus Yews
 T. floridana Nutt. ex Chapm. Florida Yew

Torreya
 T. taxifolia Arn. Gopherwood
 Tumion taxifolium


 Pinaceae Pine Family

Pinus Pines
 P. clausa (Chapm. ex Engelm.) Vasey ex Sarg.
 Sand Pine
 P. echinata Mill. Shortleaf Pine