Taxon:
Crataegus flabellata (Bosc ex Spach) K. Koch var. grayana (Eggl.) E. J. Palmer
Summary
Place of publication:
Brittonia 5:486. 1946
Verified:
06/16/1988
ARS Systematic Botanists.
Autonyms (not in current use), synonyms and invalid designations
Reference(s)
- Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) www.skud.info
- Britton, N. L. & A. Brown. 1952. An illustrated flora of the northern United States, Canada and the British possessions, ed. 3.
- Phipps, J. B & M. Muniyamma. 1980. A taxonomic revision of Crataegus (Rosaceae) in Ontario. Canad. J. Bot. 58:1690.
- Phipps, J. B. et al. 1990. A checklist of the subfamily Maloideae (Rosaceae). Canad. J. Bot. 68:2224.
- Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol.
- Seymour, F. 1969. The flora of New England. Note: = C. grayana