- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:61813-2
- Publication
- Proceedings of the American Academy of Arts and Sciences. Boston, MA
- Collation
- 10: 42
- Family as entered in IPNI
- Asteraceae
Links
- Nomenclatural link
- Carduus undulatus var. canescens (Nutt.) Porter
- Nomenclatural link
- Cnicus canescens (Nutt.) Pammel
- Nomenclatural link
- Cirsium canescens Nutt.
- Same citation as
- Cnicus undulatus var. canescens A.Gray