External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:260789-1
- Publication
- Pittonia; a Series of Papers Relating to Botany and Botanists. Berkeley, CA
- Collation
- 4(21): 60
- Date of Publication
- 7 Jul 1899
- Family as entered in IPNI
- Asteraceae
Original Data
- Remarks
- Am. bor
Links
- Duplicate citation of
- Xanthium affine Greene, Pittonia 4(21): 60 (1899).