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  • wheeleri
  • martinii Martin's Thistle Cirsium parryi Parry's Thistle Cirsium vulgare Bull Thistle Cirsium wheeleri Wheeler's Thistle Conyza canadensis Horseweed Coreopsis lanceolata Lance Leaf Tickseed Coreopsis tinctoria Golden Tickseed Cosmos parviflorus Wild Cosmos Dieteria asteroides var. (wnmu.edu)
  • arizonicum
  • corymbulosa False Boneset Brickellia floribunda Chihuahuan Brickellbush Brickellia grandiflora Tassel Flower *Brickellia lemmonii Lemmon's Brickellbush Brickellia rusbyi Rusby's Brickellbush Brickellia venosa Veiny Brickellbush Brickelliastrum fendleri Fendler's Brickellbush Carminatia tenuiflora Plumeweed Carpochaete bigelovii Carpochaete Centaurea solstitialis Yellow Star Thistle Centaurea stoebe Spotted Knapweed Chaetopappa ericoides Baby Aster Cichorium intybus Chickory Cirsium arizonicum var. (wnmu.edu)
  • Bromus
  • fasciculatum) chaparral honeysuckle (Lonicera interrupta) chaparral whitethorn (Ceanothus leucodermis) chaparral yucca (Hesperoyucca whipplei) cheatgrass (Bromus tectorum) cirsium sp. (calflora.net)
  • divergence
  • Although there has been a remarkable evolutionary and morphologic diversification in North American Cirsium , it has not been accompanied by very much divergence in the base sequences of genes commonly used to elucidate phylogenetic relationships. (efloras.org)
  • Allozyme divergence between Corespsis basilis and C.wrightii (Compositae). (nii.ac.jp)
  • Greek
  • Cirsium is derived from the Greek kirsion, "a kind of thistle," in turn from kirsos, "a swollen vein or welt," because they were used as a remedy against such things. (midwestherbaria.org)