Eriastrum

Accepted species 18 Documented here 15 Family Polemoniaceae

Accepted species 18 in this genus

Every accepted species in the genus is listed. A name links to its page when we hold at least three commercially licensed photographs of it. Where we do not, the row shows how many we actually found, which is usually none.

SpeciesAuthority Usable photographsPage
Eriastrum densifolium (Benth.) H.Mason 301 documented
Eriastrum sapphirinum (Eastw.) H.Mason 196 documented
Eriastrum diffusum (A.Gray) H.Mason 152 documented
Eriastrum wilcoxii (A.Nelson) H.Mason 119 documented
Eriastrum eremicum (Jeps.) H.Mason 108 documented
Eriastrum virgatum (Benth.) H.Mason 59 documented
Eriastrum filifolium (Nutt.) Wooton & Standl. 41 documented
Eriastrum pluriflorum (A.Heller) H.Mason 29 documented
Eriastrum signatum D.Gowen 27 documented
Eriastrum abramsii (Elmer) H.Mason 15 documented
Eriastrum tracyi H.Mason 14 documented
Eriastrum calocyanum S.J.De Groot 12 documented
Eriastrum rosamondense D.Gowen 12 documented
Eriastrum harwoodii (T.T.Craig) D.Gowen 9 documented
Eriastrum sparsiflorum (Eastw.) H.Mason 7 documented
Eriastrum hooveri (Jeps.) H.Mason 2 below the evidence gate
Eriastrum ertterae D.Gowen 0 below the evidence gate
Eriastrum luteum (Benth.) H.Mason 0 below the evidence gate

Why some species have no pagethe gate

This site is commercial, so it can only publish photographs licensed for commercial use. Roughly three quarters of the photographs on iNaturalist are CC BY-NC, which excludes them. A species needs at least three usable photographs before we will build it a page, because a page with one picture and no traits tells you nothing you could not get from a search result, and generating hundreds of thousands of those is precisely the practice that got the previous version of this site deleted.

So the species above without a link are not errors and they are not omissions. They are real, accepted plants that we cannot yet document to the standard we hold ourselves to, and the count in the photographs column is exactly how far short we fall.

Sourcesevery claim on this page

  1. World Flora Online Plant List. Accepted names, authorities, classification. CC0. Retrieved 2026-07-12.
  2. iNaturalist. Photograph counts, restricted to CC0 / CC BY / CC BY-SA. Retrieved 2026-06-27.