Smyrnium cordifolium 
Southern Chervil 
Spotted water hemlock 
Strickland's umbrella-wort 
Sweet apple-berry 
Thapsia transtagana 
Tordylium trachycarpum 
Trachymene incisa 
Umtanum desert-parsley 
Upright Hedge-Parsley 
Villous deadly carrot 
Water Parsley 
Weeping Pittosporum 
White lace flower 
Whitenymph 
Whorled Pennywort 
Wild angelica 
Wild bishop 
Wild carrot 
Wild sarsaparilla 
Yellow Alexanders 
Zosima absinthiifolia