| Family | APIACEAE |
| Genus species | Lomatium macrocarpum (Hook. & Arn.) L.M.Coult. & Rose |
| Bibliography | Contr. U.S. Natl. Herb., 7: 217 (1900) |
| Native Range | w. & c. Canada to w. & nc. USA |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Altitude | 150-3000m |
| Description | subcaulescent, strigose, leaves grey-green, pinnate, ultimate segments ovate or shortly linear, rays of umbel 2-6, subequal, bracts of involucel conspicuous, narrow |
| Size | 10-50cm |
| Color | white, purplish white |
| Bloom | early spring |
| Ca | |
| Type | perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed when ripe or as soon as possible |
| Synonyms | Cogswellia artemisiarum (Piper) J.M.Coult. & Rose Cogswellia macrocarpa (Hook. & Arn.) M.E.Jones Cogswellia macrocarpa var. artemisiarum (Piper) H.St.John. Ferula macrocarpa Hook. & Arn. Lomatium artemisiarum Piper Lomatium ellipticum (Torr. & A.Gray) J.M.Coult. & Rose Lomatium macrocarpum var. artemisiarum (Piper) Piper Lomatium macrocarpum var. douglasii Jeps. Lomatium macrocapum var. ellipticum (Torr. & A.Gray) Jeps. Lomatium macrocarpum var. semivittatum Piper Peucedanum eurycarpum J.M.Coult. & Rose Peucedanum foeniculaceum Newb. Peucedanum macrocarpum (Hook. & Arn.) Nutt. Peucedanum macrocarpum var. eurycarpum A.Gray Peucedanum nudicaule var. ellipticum Torr. & A.Gray Thaspium macrocarpum (Hook. & Arn.) S.Watson |
| Territory | 7 Northern America 71 Western Canada (ABT Alberta, BRC British Columbia, MAN Manitoba, SAS Saskatchewan) 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, ORE Oregon, WAS Washington, WYO Wyoming) 74 North-Central U.S.A. (NDA North Dakota, SDA South Dakota) 76 Southwestern U.S.A. (CAL California, NEV Nevada, UTA Utah) |