Isocoma rusbyi
| Isocoma rusbyi | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Isocoma |
| Species: | I. rusbyi
|
| Binomial name | |
| Isocoma rusbyi Greene 1906
| |
| Synonyms[1] | |
|
Haplopappus rusbyi (Greene) Cronquist | |
Isocoma rusbyi, the Rusby's goldenbush,[2] is a North American species of plants in the sunflower family. It has been found in the States of Arizona, Utah, New Mexico, and Colorado in the southwestern United States. Some of the populations lie inside Grand Canyon and Petrified Forest National Parks, others in the Glen Canyon National Recreation Area.[3][4][5]
Isocoma rusbyi is a shrub up to 90 cm (3 feet) tall. Each flower head contains about 19-25 disc flowers but no ray flowers.[3][6]
References[]
- ^ The Plant List, Isocoma rusbyi Greene
- ^ "Isocoma rusbyi". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 7 August 2015.
- ^ Jump up to: a b Nesom, G.L. 1991. Taxonomy of Isocoma (Compositae: Astereae). Phytologia 70(2): 69–114 description of I. rusbyi on pages 106-107, distribution map on page 75
- ^ Biota of North America Program 2014 county distribution map
- ^ SEINet, Southwestern Biodiversity, Arizona chapter
- ^ Flora of North America, Isocoma rusbyi Greene, 1906. Rusby’s jimmyweed
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Categories:
- Isocoma
- Endemic flora of the United States
- Flora of Arizona
- Flora of Colorado
- Flora of New Mexico
- Flora of Utah
- Flora of the Colorado Plateau and Canyonlands region
- Plants described in 1906
- Taxa named by Edward Lee Greene
- Astereae stubs