| Species | Location |
|---|---|
| Coryphantha vivipara a. var.vivipara b. var.radiosa |
Northwest corner of Oklahoma Southern slopes of Arbuckle Mountains |
| Echinocereus baileyi | Wichita Mountains, SW Oklahoma |
| Echinocereus caespitosus a. var.caespitosus b. var.perbellus c. var.purpureus |
Shattuck, Woodward, Alabaster Caverns Western edge of Oklahoma up to Majors County Wichita and Glass Mountains |
| Echinocereus viridiflorus a. var.viridiflorus |
Oklahoma panhandle |
| Homalocephala texensis | Extreme Southwest Oklahoma |
| Mammillaria heyderi a. var.applanata b. var.hemisphaerica |
Harmon, Jackson and Greer Counties Jackson and Greer Counties |
| Neobesseya rosiflora | Between Tulsa and Ponca City |
| Neobesseya similis | Central Oklahoma |
| Opuntia engelmannii a. var.engelmannii |
Extreme South Central Oklahoma |
| Opuntia phaecantha a. var.camanchica |
Westerm Oklahoma, Glass Mountains |
| Opuntia compressa a. var.humifusa b. var.macrorhiza |
Extreme Eastern Oklahoma All Oklahoma |
| Opuntia cymochila | Oklahoma panhandle |
| Opuntia fragilis | Oklahoma panhandle |
| Opuntia polyacantha | Western tip of Oklahoma panhandle |
| Opuntia davisii | Extreme SW Oklahoma, Greer and Harmon Counties |
| Opuntia imbricata a. var.arborescens |
Western Oklahoma panhandle |
| Opuntia kleinae | Kingfisher, Oklahoma (isolated colony) |
| Opuntia leptocaulis | Harman and Greer Counties, Arbuckle Mountains |
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