Botanical Research Institute of Texas, Philecology Herbarium (BRIT:BRIT)
BRIT259925
77e9afc7-b752-4911-881a-a09697067acf
259925
Asclepias subverticillata (A. Gray) Vail
Apocynaceae
Wm. R. Carr
19934
2001-08-24
2001-08-24
United States, Texas, Presidio, E-W road parallel to and just N of RR track, 0.15 roadmiles E of main N-S road on Hip-O Ranch Preserve (TNC), ca 5 airmailes WNW of Marfa. GPS point N°30°19.723', W104°06.281'. Marfa Quadrangle.
30.328717 -104.104683
30° 19.723' N 104° 6.281' W
1475-1478 meters
4840-4850 ft.
in deep silty alluvial soil in shallow minor draw between low rolling hills of outwash colluvium within open grassy basin