Species: Petrophyton cinerascens
Chelan Rockmat
Species
Encyclopedia of Puget Sound
Classification
Kingdom
Plantae
Phylum
Anthophyta
Class
Dicotyledoneae
Order
Rosales
Family
Rosaceae
Genus
Petrophyton
NatureServe
Classification
Informal Taxonomy
Plants, Vascular - Flowering Plants - Rose Family
Formal Taxonomy
Plantae - Anthophyta - Dicotyledoneae - Rosales - Rosaceae - Petrophyton - USFWS recognizes this under the spelling variant 'Petrophytum' cinerascens.
Ecology and Life History
Short General Description
A shrubby perennial with flowering stems (up to 3 dm tall) arising from a dense mat of basal leaves. Small white flowers are tightly clustered at the tips of the flowering stems. Blooms June-September.
Conservation Status
NatureServe Global Status Rank
G1
Global Status Last Reviewed
2009-09-07
Global Status Last Changed
1983-01-01
Distribution
Conservation Status Map
<img src="http://www.natureserve.org/explorer/servlet/GetMapGif?US.WA=S1" alt="Conservation Status Map" style="width: 475px; height: auto;" />
Global Range
Endemic to cliffs along the Columbia River in Chelan and Douglas counties, Washington. All known occurrences are within 17 miles of each other (WANHP and BLM 2005).