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Trinity Mountain rockcress

Scientific Name: Arabis rigidissima var. demota

Family: Brassicaceae

Category: Dicot

Growth: Subshrub, Forb/herb

Duration: Perennial

Other Names:

       

Boechera rigidissima (Trinity Mountain Rockcress)

Also known as Arabis rigidissima, this plant is commonly called Trinity Mountain Rockcress, Galena Creek rockcress, or Carson Range rockcress.

Taxonomy and Nomenclature

  • Accepted Scientific Name: Boechera rigidissima (Rollins) Al-Shehbaz
  • Synonyms: Arabis rigidissima Rollins, Arabis rigidissima var. rigidissima Rollins, Arabis mcdonaldiana* (note: the asterisk suggests this synonymy may be contested or require further clarification)
  • Family: Brassicaceae (Mustard Family)
  • The genus Boechera is named after Danish botanist Tyge W. Böcher.

Distribution and Habitat

  • Primarily found in the Mt. Rose and Martis Peak area (Galena and White's Creek drainages) in the Carson Range of Washoe County, Nevada.
  • Also reported from Del Norte, Mendocino, Siskiyou, and Trinity counties in California.
  • Specific locations include the Trinity Mountains and Red Mountain (Mendocino County, California).

Morphological Characteristics and Growth Habits

  • Classified as a perennial subshrub forb/herb.

Ecological Role

  • Found in rocky environments.

Further Information: Discover Life provides a page dedicated to the biology, natural history, ecology, identification, and distribution of Boechera rigidissima.