Crassulaceae
| Authority | : | J.St.-Hil. 1805 |
| Nederlands | : | Vetplantenfamilie |
| English | : | stonecrop family, orpine family |
| Deutsch | : | Dickblattgewächse |
| Sedum acre |
| Authority | : | Linnaeus, 1753 |
| Nederlands | : | Muurpeper |
| English | : | Biting Stonecrop |
| Deutsch | : | Scharfer Mauerpfeffer |
| Norsk | : | Bitterbergknapp |
| Svenska | : | Gul Fetknopp |
| Français | : | Orpin âcre, Poivre de muraille, Orpin brûlant |
| Italiano | : | borraccina, borracina acre, erba pignola, pepe dei muri |
| Español | : | crespinell picant, pampajarito, pan de cuco, pimienta de muros, platanetas, racimillo, sedo picante, siempreviva menor, siempreviva picante, uña de gato, uva de gato, uvas de gato |
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| A'damse Waterleidingduinen, the Netherlands; 7 May 2011. |
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| Krýsuvik, Iceland; 14 July 2014. | |