Checklist of the Vascular Plants of Saskatchewan - Native Plant ...

Carduus nutans L. – MUSK or NODDING THISTLE; PLUMELESS THISTLE. [C. n.
ssp. leiophyllus (Petro.) Stoj. & Stef.; C. n. var. macrocephalus (Desf.) Boivin; C. n.
var. vestitus (Hallier) Boivin; C. n. ssp. macrolepis (Peterm.) Kazmi; C. macrocephalus
Desf.]. In C
Carthamus tinctorius L. – SAFFLOWER; DISTAFF THISTLE. In R/ADV?
Centaurea cyanus L. -- BACHELOR’S-BUTTONS; CORNFLOWER. [Leucacantha
cyanus (L.) Nieuwl. & Lun.]. In VER?
Centaurea diffusa Lam. -- DIFFUSE or WHITE KNAPWEED. In R
Centaurea repens (=Acroptilon repens)
Centauria solstitialis L. – YELLOW STAR-THISTLE; ST. BARNABY’S THISTLE. In
R/ADV?
Chrysanthemum balsamita (=Tanacetum balsamita)
Chrysanthemum leucanthemum (=Leucanthemum vulgare)
Chrysothamnus nauseosus (=Ericameria nauseosa)
Chrysopsis villosa (=Heterotheca villosa)
Cichorium endivia L. – ENDIVE. In R/ADV?
Cichorium intybus L. – CHICORY; BLUE-SAILORS. In R/ADV?.
Cirsium arvense (L.) Scop. – CANADA or CREEPING THISTLE. [C. a. var. integrifolium
Wimm. & Grab.; C. a. var. vestitum Wimmer & Grab.]. In CC
Cirsium canescens Nutt. – PRAIRIE or PLATTE THISTLE. [C. nebraskense (Britt.)
Lun.; C. nelsonii (Pam.) Petr.; C. plattense (Rydb.) Cock. ex Dan]. N VER?
Cirsium drummondii T.&G. – DWARF, SHORT-STEMMED or DRUMMOND’S
THISTLE. [C. coccinium Osterh.; C. foliosum auct. non (Hooker) DC.]. N UC.
Cirsium foliosum (Hook.) DC. – LEAFY or ELK THISTLE. N VER?
Cirsium flodmanii (Rydb.) Arthur – FLODMAN'S or PRAIRIE THISTLE. [C.
oblanceolatum (Rydb.) Schum.]. N C
Cirsium muticum Michx. -- SWAMP THISTLE. [C. m. var. monticola (Fern.) Fern.]. N
VUL (S2).
Cirsium undulatum (Nutt.) Spreng. var. undulatum -- WAVY-LEAVED, GRAY, or
PASTURE THISTLE. [C. u. var. megacephalum (Gray) Fern.]. N C
Cirsium vulgare (Savi) Ten. – BULL, COMMON, or SCOTCH THISTLE. [C.
lanceolatum (L.) Scop. (non Hill )]. In UC
Conyza canadensis (L.) Cronq. – HORSEWEED; CANADA FLEA-BANE. [C. c. var.
glabrata (Gray) Cronq.; Erigeron canadensis L.; E. c. var. pusillus (Nutt.) Ahles]. N
(& In p.p.?) CC
Coreopsis tinctoria Nutt. – GOLDEN COREOPSIS or TICKSEED. [C. t. var. atkinsoniana
(Dougl. ex Lindl.) Parker ex E.B. Smith]. N UC.
Cota tinctoria (L.) Gay -- GOLDEN MARGUERITE; YELLOW CHAMOMILE.
[Anthemis tinctoria L.]. In R/ADV?
Crepis atribarba Heller ssp. atribarba – DARK or SLENDER HAWK'S-BEARD. [C.
occidentalis auct. p.p. non Nutt.]. N END (S1).
Crepis intermedia Gray – SMALL-FLOWERED or LIMESTONE HAWK'S-BEARD.
[C. acuminata Nuttall var. intermedia (Gray) Jepson; C. occidentalis auct. non
Nutt.]. N END/EXT? (S?).
Crepis occidentalis Nutt. ssp. occidentalis – WESTERN, GRAY or LARGE-
FLOWERED HAWKSBEARD. N THR? (S2).
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