* Cirsium discolor (Muhl.) Spreng. (Field Thistle) page 230. 



* CirsiumhilUi (Canby) Fern. (Hill's Thistle) page 229. 

 CirsiumvuUjare (Savi) Airy-Shaw (Bull Thistle) page 229. 



* Krigia Mfloni (Walt.) Blake (Dwarf False Dandelion) page 89. 



* Krigia virginica (L.) Willd. (Carolina Dwarf Dandelion) page 89. 



* Taraxacum officinale Weber (Common Dandelion) page 14. 



* Tragopogon dtihius Scop. (Salsify) page 152. 

 Tragopogon porrifoliit.s- h. (Oyster Plant) page 152. 

 Trugopogon pratenais L. (Yellow Goat's-beard) page 152. 



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