Virtual Landscapes of Texas

41

A Distribution List of the Principal Ferns and Seed Plants Occurring Native in Texas

Numbers follozving plant names refer to the Vegetational Regions, Plate I.

Ferns

Adder's Tongue (Ophioglossum) ;1,6, 7, 13, 14, 15, 16, 17. Royal Fern (Osmunda rcgalis) ; 1, 16, 17. Cinnamon Fern {Osmunda cinnamomea) ; 1, 16, 17. Polypody {Polypodium spp.1); 1, 7, 16, 17. Cliff Brake (Pellaca spp.); 4, 6, 7, 8, 9, 10, 12, 13. Bracken (Pteridium sp.); 1, 16, 17. Maidenhair (Adiantum) ; 6, 7, 8, 9, 10, 12 f 13. -Lip Fern (Chcilanthcs) ; widespread except in 11, 13, 14, 18. Lorinseria; 1, 16, 17. Notholaena spp.; 6, 7, 8, 9, 10, 12. Anchistia; 1, 16, 17. -Spleenwort (Asplenium spp.); widespread except in 11, 13, 14, 18. Christmas Fern (Polystichum) ; 1, 16, 17. Shield Fern (Dryopteris spp.); 1, 16, 17. Woodsia; 1, 16, 17. Four-leaf-clover Fern {Marsilea spp.); widespread in ditches and along seeps. Water Fern (Azolla); 1, 7, 16, 17. Horsetail (Equisetum spp.); 1, 7, 8, 12, 13, 16, 17. Ground-pine (Lycopodium spp.); 1, 2, 17. Selaginella (including the resurrection plant in 8, 10); 1, 6, 7, 8, 9, 10, 16, 17.

1 Species too numerous to mention.