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| Field No.: | Species: | Habitat: | Notes: |
| Esteves 44 | Discocactus crassispinus ssp. crassispinus | South West of Goiás, Brasil | Succulenta 78 (5) |
| Esteves 50 | Discocactus crassispinus ssp. araguaiensis | East of river Rio Araguaia, Goiás, Brasil | Succulenta 78 (5) |
| Esteves 82 | Discocactus crassispinus ssp. crassispinus | South West of Goiás, Basil | Succulenta 78 (5) |