The Nature LibraryEN·ES
iNat·52851SpeciesPlantae1,815 field observations
  1. Plants
  2. ›Vascular Plants
  3. ›flowering plants
  4. ›Dicots
  5. ›Sunflowers, Bellflowers, Fanflowers, and Allies
  6. ›Sunflowers, Daisies, Asters, and Allies
  7. ›Asteroideae
  8. ›tarweeds, silverswords, and allies
  9. ›Arnica
rayless arnica
Plate 1 of 12. (c) Julie, some rights reserved (CC BY-NC), uploaded by Julie · via iNaturalist

rayless arnica

Arnica discoidea

Arnica discoidea is a North American species of arnica in the sunflower family. It is known by the common name rayless arnica because its flower heads have disc florets but none of the showier ray florets. It is native to the woodlands, forests, and chaparral of the western United States (Washington, Oregon, California, and western Nevada (Washoe County).

Continue reading on Wikipedia
§·

Where it lives

Recorded sightings

—

geo-referenced records in GBIF, from museums, herbaria and field observers.

Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.

§·

In the stacks

Searching the stacks…

Every page naming Arnica discoidea in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 52851.