- IPNI Life Sciences Identifier (LSID)
- Trees and Shrubs: illustrations of new or little known ligneous plants / prepared chiefly from material at the Arnold arboreum of Harvard university, and edited by Charles Sprague Sargent. Boston.
- 2: 59, pl. 127
- Family as entered in IPNI
- Distribution Of Types
- Missouri (North-Central U.S.A., Northern America)
- Same citation as
- Crataegus severa Sarg., Trees & Shrubs ii. 59 (1908).