Genus ⠉	Taxon	Illustrator ⠉
		Cynara cardunculus subsp. flavescens Carduus acanthoides subsp. acanthoides Cirsium discolor	John Myers John Myers John Myers
		Cirsium douglasii var. breweri Cirsium horridulum var. megacanthum Cirsium remotifolium var. odontolepis	John Myers John Myers John Myers
		Cirsium occidentale var. coulteri Cirsium occidentale var. californicum Cirsium occidentale var. candidissimum	John Myers John Myers John Myers
		Cirsium arizonicum var. tenuisectum Cirsium eatonii var. murdockii Cirsium scariosum var. scariosum	John Myers John Myers John Myers
		Cirsium scariosum var. americanum Cirsium vinaceum Silybum marianum Saussurea americana	John Myers John Myers John Myers John Myers