Herbarium Blackwellianum emendatum et auctum, id est, Elisabethae Blackwell collectio stirpium.Norimbergae : Typis Io. Iosephi Fleischmanni, 1750-1773..biodiversitylibrary.org/page/291505
Limestone rock crevices on Cerro Gordo Peak, Inyo Mountains, California, July 7th 2011. This little-known plant in the Brassicaceae was originally placed in the genus Thelypodium, then in its is own genus, Caulstramina, but is now considered a member of the small genus Hesperidanthus. July 7th 2011, Image I11-8974