Single Record

Geobotanical: SSawatch, Garitas, SSanjuans, Culebras, NCristos, UBasin, LBasin

PhotoRecords: YES Rich Haswell: Rio Grande Co, road to Middle San Francisco Creek trailhead 5 Sept 2021

Comments: Nettle grows everywhere in the Watershed in a variety of habitats, perhaps the most customary being under shaded, damp rock outcrops—although it has been found in open meadow and even in the tundra. The one Lower Basin record is along the Rio Grande just before it enters New Mexico. Note that Henning et al. (2014) find two monophyletic clades, Urtica dioica occurring naturally in Europe and Asia and introduced in the eastern USA, U. gracilis occurring naturally throughout much of the USA. POWO follows this analysis, but FNA and BONAP treat these two taxa as subspecies of Urtica dioica: i.e., U. dioica subsp. dioica and U. dioica subsp. gracilis. Urtica dioica is dioecious, with male and female flowers on separate plants; U. gracilis is monoecious, with male and female flowers usually on the same plant. However named, U. gracilis is recorded from every USA state except for Mississippi, although with only a few locations in the South and Texas. It follows the Rio Grande drainage in New Mexico down nearly to the Mexican border but no farther down stream.