International Organization For Plant Information - Provisional GPC

Details for: Crataegus occidentalis

3 different source(s) use this name:

- Pankhurst, R. - Rosaceae database 2007.
- Pankhurst, R.: Rosaceae database, 2005
- Pankhurst, R.: Rosaceae database, 2006

Source:	Pankhurst, R. - Rosaceae database 2007. [IOPI preferred view]
Name:	Crataegus occidentalis Britton
Nomencl. ref.	Bull. New York Bot. Gard. 1(5): 448. 1900
Rank:	Species
Status:	SYNONYM
Synonym of:	Crataegus macracantha var. occidentalis (Britton) Eggl.
Name Notes:	Name-Source: A checklist of the subfamily Maloideae (Rosaceae). Canad. J. Bot. 68(10): 2209-2269 (1990)

Source:	Pankhurst, R.: Rosaceae database, 2005
Name:	Crataegus occidentalis Britton
Nomencl. ref.	Bull. New York Bot. Gard. 1(5), 448. 1900.
Rank:	Species
Status:	SYNONYM
Synonym of:	Crataegus macracantha var. occidentalis (Britton) Eggl.
Name Notes:	Name-Source: A checklist of the subfamily Maloideae (Rosaceae). Canad. J. Bot. 68(10): 2209-2269 (1990)

Source:	Pankhurst, R.: Rosaceae database, 2006
Name:	Crataegus occidentalis Britton
Nomencl. ref.	Bull. New York Bot. Gard. 1(5): 448. 1900
Rank:	Species
Status:	SYNONYM
Synonym of:	Crataegus macracantha var. occidentalis (Britton) Eggl.
Name Notes:	Name-Source: A checklist of the subfamily Maloideae (Rosaceae). Canad. J. Bot. 68(10): 2209-2269 (1990)

SourceStatusDesignation:	S