Philadelphus microphyllus var. occidentalis (A.Nelson) Dorn
, Vasc. Pl. Wyoming 297 (1988).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1097604-2
- Publication
- Vascular Plants of Wyoming. Cheyenne
- Collation
- 297
- Family as entered in IPNI
- Hydrangeaceae