Details for: Crataegus x borealoides
5 different source(s) use this name:

- Pankhurst, R. - Rosaceae database 2007.
- Pankhurst, R.: Rosaceae database, 2005
- Pankhurst, R.: Rosaceae database, 2006
- BfN - FloraWeb DB, 2003.
- R. Wisskirchen & H. Haeupler - Standardliste der Farn- und Blütenpflanzen Deutschlands 1998.

Source: Pankhurst, R. - Rosaceae database 2007. [IOPI preferred view]
Name: Crataegus x borealoides R.Doll
Nomencl. ref. Natur Naturschutz Mecklenburg 13: 13, Abb.3,23. 1975
Rank: Species
Status: SYNONYM
Synonym of: Crataegus monogyna var. monogyna
Name Notes: Name-Source: Revision of Crataegus Sect. Crataegus and Nothosect. Crataeguineae (Rosaceae-Maloideae) in the the Old World. Syst. Bot. Monogr. 35 (1992)
 

Source: Pankhurst, R.: Rosaceae database, 2005
Name: Crataegus x borealoides R.Doll
Nomencl. ref. Natur Naturschutz Mecklenburg 13, 13, f.3,23. 1976.
Rank: Species
Status: SYNONYM
Synonym of: Crataegus monogyna var. monogyna
Name Notes: Name-Source: Revision of Crataegus Sect. Crataegus and Nothosect. Crataeguineae (Rosaceae-Maloideae) in the the Old World. Syst. Bot. Monogr. 35 (1992)
 

Source: Pankhurst, R.: Rosaceae database, 2006
Name: Crataegus x borealoides R.Doll
Nomencl. ref. Natur Naturschutz Mecklenburg 13: 13, Abb.3,23. 1975
Rank: Species
Status: SYNONYM
Synonym of: Crataegus monogyna var. monogyna
Name Notes: Name-Source: Revision of Crataegus Sect. Crataegus and Nothosect. Crataeguineae (Rosaceae-Maloideae) in the the Old World. Syst. Bot. Monogr. 35 (1992)
 
SourceStatusDesignation: S

Source: BfN - FloraWeb DB, 2003.
Name: Crataegus x borealoides R. Doll
Nomencl. ref. Natur Naturschutz Mecklenburg vol. 13, 13, fig.3,23. 1976.
Rank: Species
Status: SYNONYM
Synonym of: Crataegus monogyna Jacq.
Name Notes: NR_NAME_ORIG: 11538 §
 

Source: R. Wisskirchen & H. Haeupler - Standardliste der Farn- und Blütenpflanzen Deutschlands 1998.
Name: Crataegus x borealoides R. Doll
Nomencl. ref. Natur Naturschutz Mecklenburg vol. 13, 13, fig.3,23. 1976.
Rank: Species
Status: SYNONYM
Synonym of: Crataegus monogyna Jacq.
Name Notes: NR_NAME_ORIG: 11538 §