| Erigeron glabellus Nutt. | |
| Publ. & Syn. | Nutt., Gen. N. Amer. Pl. 2: 147 (1818). Holotype (BM): U.S.A.: "Fort Mandan, on the plains of Missouri", leg. Nuttall. |
| Notes | Erigeron glabellus is recognized with two races: subsp./var. glabellus mainly in western U.S.A. and southwesternmost Canada and subsp./var. pubescens throughout in western North America and reaching the Arctic in Alaska and the Yukon Territory. |
| Chromosomes | (1) 18 (2x). - Canada, U.S.A., and cultivated plants. - Several reports. (2) 36 (4x). - Solbrig et al. (1969, for subsp. glabellus). |
| Geography | North American (W). |
| Parent taxon | Erigeron L. |
| Child taxa |
Erigeron glabellus subsp. pubescens (Hook.) Cronquist |
| PAF ID | 860720 |