3-5 plants that I can find across from Armer Ed
12-15 plants in this location across from Morrison rd
Colossal sized and abundant intertwining colonies of A. sullivantii with clones numbering in the 200+ range along highway roadside ditch in loamy clay soil. Very hard to tell just how many individual colonies exist.
Medium sized colony of A. speciosa consisting of 10+ clones growing in rocky soil inside a small wash next to parking lot sidewalk and the beginning of a nature trail.
Small sized colony of A. speciosa consisting of 5+ clones growing next in semi-rocky soil next to hardscape sidewalk and tree in front of the Mt. Rushmore entrance. Origanally observed on June 15, 2015.
Medium sized colony of A. speciosa consisting of 10+ clones in roadside ditch in slightly moist soil. Originally observed May 30, 2015.
Single Milkweed growing in a water pathway, but not a full wash. The terrain is mostly dark volcanic rock. The plant was at least 4, maybe 5 feet tall with some flowers left.
Asclepias L. (1753), the milkweeds, is a genus of herbaceous perennial, dicotyledonous plants that contains over 140 known species. It previously belonged to the family Asclepiadaceae, but this is now classified as the subfamily Asclepiadoideae of the dogbane family Apocynaceae.