Athysanus pusillus

Athysanus pusillus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Brassicales
Family: Brassicaceae
Genus: Athysanus
Greene
Species:
A. pusillus
Binomial name
Athysanus pusillus
Synonyms

Thysanocarpus pusillus Hook.

Athysanus is a monotypic genus whose only species is Athysanus pusillus, the common sandweed.

Description

It is an annual herb with long, spindly stems on which grow small, unassuming white flowers. The tiny fruits that emerge from the flowers are flat, circular, green, and fringed with prominent white hairs. It may grow up to 15 cm tall[3] and flowers between April–May.[3]

Distribution

It is native to the western United States and into British Columbia.

Habitat

Found in moist shallow soil along the slopes and cliffs in lower mountain zones.[3]

References

  1. ^ "NatureServe Explorer Athysanus pusillus". NatureServe Explorer Athysanus pusillus. Arlington Virginia, United States of America: NatureServe. 2022-06-03. NatureServe Element Code:PDBRA08010. Retrieved 23 Jun 2022.
  2. ^ Faber-Langendoen, D; Nichols, J; Master, L; Snow, K; Tomaino, A; Bittman, R; Hammerson, G; Heidel, B; Ramsay, L; Teucher, A; Young, B (2012). NatureServe Conservation Status Assessments: Methodology for Assigning Ranks (PDF) (Report). Arlington, Virginia, United States of America: NatureServe.
  3. ^ a b c Webmaster, David Ratz. "Sandweed - Montana Field Guide". fieldguide.mt.gov. Retrieved 2022-08-02.


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