External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:77288949-1
- Species Name
- Plectranthus calycinus Benth., in E. Mey. Comm. Pl. Afr. Austr. 230.
- Publication
- Flora Capensis; being a systematic description of the plants of the Cape Colony, Caffraria, & port Natal. London
- Collation
- 5(1): 271
- Family as entered in IPNI
- Lamiaceae