Crataegus jackii

Crataegus jackii
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Rosales
Family:	Rosaceae
Genus:	Crataegus
Series:	Rotundifoliae; (Eggl. ex Eggl.) Rehder
Species:	C. jackii
Binomial name
	Crataegus jackii; Sarg.

Crataegus jackii is a hawthorn that is restricted to southern Quebec.^[2] It is related to and has been considered to be a synonym of C. chrysocarpa,^[3] but is very hairy, with larger flowers, and has been made a synonym of C. lumaria Ashe.^[2]

References and external links

^ Phipps, J.B.; Robertson, K.R.; Smith, P.G.; Rohrer, J.R. (1990). A checklist of the subfamily Maloideae (Rosaceae). Canadian Journal of Botany. 68(10): 2209–2269.
^ ^a ^b Phipps, J.B. (2007). Miscellaneous typifications, new combinations and one new variety in North American Crataegus (Rosaceae). Journal of the Botanical Research Institute of Texas. 1(12): 1005–1010.
^ USDA Plants Profile

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[1] Phipps, J.B.; Robertson, K.R.; Smith, P.G.; Rohrer, J.R. (1990). A checklist of the subfamily Maloideae (Rosaceae). Canadian Journal of Botany. 68(10): 2209–2269.

[Phipps-2] Phipps, J.B. (2007). Miscellaneous typifications, new combinations and one new variety in North American Crataegus (Rosaceae). Journal of the Botanical Research Institute of Texas. 1(12): 1005–1010.

[3] USDA Plants Profile

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