Wyoming Rare Plant Field Guide
Machaeranthera coloradoensis
- Synonym: Haplopappus coloradoensis
- Similar Species: M. tanacetifolia has once or twice pinnately lobed leaves and taller, leafier stems. Townsendia spp., in Wyoming, have smooth margined leaves.
- Flowering/Fruiting Period: June-September.
- Distribution: Endemic to SC Wyoming (Albany and Carbon Cos.) and W Colorado.
- Habitat: Gravelly places in mountain parks, dry tundra, and on sandstone/limestone outcrops. Elev. 8400-8500 ft.
- References: Dorn 1988; Harrington 1954; Weber 1990.
