Eriastrum

Eriastrum is a genus of flowering plants in the phlox family which are known commonly as woollystars. These wildflowers are somewhat diverse in appearance but are usually erect, thin-stemmed herbs which bear purple to white blooms. Most species have inflorescences which are webbed with a woolly mesh of white fibers. Woollystars are native to western North America.

Species
18 species are accepted.
 * Eriastrum abramsii (Elmer) H.Mason - Abrams' woollystar
 * Eriastrum calocyanum S.J.De Groot
 * Eriastrum densifolium (Benth.) H.Mason - giant woollystar
 * Eriastrum diffusum (A.Gray) H.Mason - miniature woollystar
 * Eriastrum eremicum (Jeps.) H.Mason - desert woollystar
 * Eriastrum ertterae D.Gowen
 * Eriastrum filifolium (Nutt.) Wooton & Standl. - lavender woollystar
 * Eriastrum harwoodii (T.T.Craig) D.Gowen
 * Eriastrum hooveri (Jeps.) H.Mason - Hoover's woollystar
 * Eriastrum luteum (Benth.) H.Mason - yellow woollystar
 * Eriastrum pluriflorum (A.Heller) H.Mason - Tehachapi woollystar
 * Eriastrum rosamondense D.Gowen
 * Eriastrum sapphirinum (Eastw.) H.Mason - sapphire woollystar
 * Eriastrum signatum D.Gowen
 * Eriastrum sparsiflorum Eastw.) H.Mason - Great Basin woollystar
 * Eriastrum tracyi H.Mason (syn. Eriastrum brandegeeae H.Mason) - Brandegee's woollystar
 * Eriastrum virgatum (Benth.) H.Mason - wand woollystar
 * Eriastrum wilcoxii (A.Nelson) H.Mason - Wilcox's woollystar