| Echinocereus poselgeri | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Core eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Tribe: | Pachycereeae |
| Genus: | Echinocereus |
| Species: | E. poselgeri |
| Binomial name | |
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Echinocereus poselgeri Lem. |
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| Synonyms | |
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Echinocereus poselgeri, also known as the dahlia cactus, is a species of Echinocereus. It is native to Coahuila and southern Texas.