External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:156851-2
- Publication
- Monatsschrift für Kakteenkunde. Berlin
- Collation
- 18: 93
- Family as entered in IPNI
- Cactaceae
Links
- Nomenclatural link
- Cactus maxonii Rose, Smithsonian Misc. Collect. 50: 63, pl. 6 (1907).
- Same citation as
- Melocactus maxonii Gürke, Monatsschr. Kakteenk. xviii. 93 (1908).
- Same citation as
- Melocactus maxonii (Rose) Gürke