Gymnocalycium baldianum
| Gymnocalycium baldianum | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Order: | Caryophyllales | 
| Family: | Cactaceae | 
| Subfamily: | Cactoideae | 
| Genus: | Gymnocalycium | 
| Species: | G. baldianum  | 
| Binomial name | |
| Gymnocalycium baldianum Speg., 1905  | |
| Synonyms | |
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Gymnocalycium baldianum, the spider-cactus or dwarf chin cactus, is a species of flowering plant in the cactus family Cactaceae, native to the Catamarca Province in Argentina.