small region in western North America; it is most closely related to O. laevigatum. None. None. window.propertiesFromHigherTaxa=[{"rank":"genus","name":"Orthotrichum"
3 KB (247 words) - 22:37, 5 November 2020
There is a spontaneous mutant form of Taraxacum erythrospermum (called T. laevigatum forma scapifolium F. C. Gates & S. F. Prince) in which one or more lobed
24 KB (2,224 words) - 20:51, 5 November 2020
"variety" of D. complanatum. The sterile hybrid, Equisetum X ferrissii (E. laevigatum X hyemale) was construed as a "variety" of one of the parents, E. hyemale
69 KB (10,503 words) - 23:43, 13 February 2019