| Family | ASTERACEAE |
| Genus species | Cirsium tioganum (Congdon) Petr. trib. Cardueae |
| Bibliography | Beih. Bot. Centralbl. 35(2): 560 (1917) |
| Native Range | w. USA to nw. Mexico |
| Primary Biome | Temperate |
| Habitat | grassland and thickets |
| Altitude | 1000-3500m |
| Description | acaulescent, leaves oblanceolate, to 3cm, lower leaves mostly lobate with marginal spines, upper leaves subentire, capitula 3-9, in compact, terminal head |
| Size | 10-15cm |
| Color | pink, white |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | mesic, slightly humous, semi-shady site alpine house, moist, rich, drained soil, semi-shade |
| Propagation | seed in spring, germ. 1 month, 13-18°C root cuttings in late winter |
| Synonyms | Carduus acaulescens (A.Gray) Rydb. Carduus americanus (A.Gray) Greene Carduus longissimus A.Heller Carduus tioganus (Congdon) A.Heller Cirsium acaule var. americanum A.Gray Cirsium acaulescens (A.Gray) Daniels Cirsium americanum (A.Gray) Daniels Cirsium coloradoense ssp. acaulescens (A.Gray) Petr. Cirsium coloradoense ssp. longissimum (A.Heller) Petr. Cirsium drummondii var. acaulescens (A.Gray) J.F.Macbr. Cirsium drummondii ssp. lanatum Petr. Cirsium drummondii var. oregonense Petr. Cirsium drummondii ssp. vexans Petr. Cirsium scariosum var. americanum (A.Gray) D.J.Keil Cnicus americanus (A.Gray) A.Gray Cnicus drummondii var. acaulescens A.Gray Cnicus tioganus Congdon |
| Territory | 7 Northern America 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, ORE Oregon, WYO Wyoming) 76 Southwestern U.S.A. (CAL California, NEV Nevada, UTA Utah) 79 Mexico (MXN Mexico Northwest) |