System Message: Staging server: Data release: 2023-12
Nomenclature: wfo-0001131668
![Charles Sprague Sargent (1841-1927) Charles Sprague Sargent (1841-1927)](http://commons.wikimedia.org/wiki/Special:FilePath/Portrait%20of%20Charles%20Sprague%20Sargent.jpg)
Crataegus improvisa Ontario Nat. Sci. Bull. 4: 69 (1908)
Nomenclatural References
- person : Charles Sprague Sargent (1841-1927) Based on occurrence of standard abbreviation 'Sarg.' in the authors string.
- database : IPNI record: 68425-2
- database : The Plant List v1.1 record tro-50134462 Originally associated with wfo-0001245770
- database : The Plant List version 1.0, record: tro-27801529
- database : The Plant List version 1.0, record: tro-50134462 Originally associated with wfo-0001245770
- database : The Plant List version 1.1, record: tro-27801529
Taxonomy: Accepted in 2021-12 classification
Occurs in: 2018-07 : 2019-03 : 2019-05 : 2021-12 : 2022-06 : 2022-12 : 2023-06 : 9999-01Placement: Angiosperms > Rosales > Rosaceae > Crataegus > Crataegus improvisa