Dwarf Masterwort 
Eryngium alpinum 
Eryngium barrelieri 
Eryngium glomeratum 
Eryngium humboldtii 
Exoacantha heterophylla 
False Fennel 
Fennel 
Ferula biverticellata 
Ferula biverticillata 
Ferula daninii 
Ferula hermonis 
Ferula kuhistanica 
Ferula negevensis 
Ferula orientalis 
Ferula sinaica 
Ferulago trachycarpa 
Field eryngo 
Flannel Flower 
Flat-fruited Orlaya 
Floating pennywort 
Fluffy Thimbleweed 
Footsteps of spring 
Geyer's biscuitroot