<< Go back one level - Cirsium - thistle
kingdom Plantae - plants » divisio Magnoliophyta - flowering plants » class Rosopsida - eudicots » order Asterales » family Asteraceae » genus Cirsium - thistle
Cirsium quercetorum var. mendocinum Petrak
Cirsium walkerianum Petrak
Cirsium quercetorum var. walkerianum (Petrak) Jepson
Cirsium quercetorum var. xerolepis Petrak