External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:68946-2
- Publication
- Proceedings of the Academy of Natural Sciences of Philadelphia. Philadelphia, PA
- Collation
- 57: 591
- Family as entered in IPNI
- Rosaceae
Type Information
- Distribution Of Types
- Pennsylvania (Northeastern U.S.A., Northern America)
Links
- Duplicate citation of
- Crataegus ruthiana Sarg., Proc. Acad. Nat. Sci. Philadelphia 57: 591 (1905).