Place
- Starr2
- Willacy2
- east of Sullivan City, on gravelly hill2
- Along Corpus Christi Bay1
- Armstrong1
- Balcones Canyonlands NWR. Gainer Tract (type locality of C. alabamensis var. texensis)1
- Bartow1
- Bell1
- Big Bend National Park, Chisos Mountains slopes with forests1
- Blackstone Ranch, cedar-sotol meas-top 13 miles south of Sheffield1
- Carrizo Springs1
- Chambers1
- Chisos Mts.1
- College1
- Dallas1
- Davis Mts. about 10 miles north of Ft. Davis in Limpia Canyon1
- Denner beach1
- Dimmit1
- El Toro Island, "mud flats" of the Laguna Madre1
- Fort Davis Igneous rocky slope above Limpia River ca. 7 km along route 118 from route 17 junction1