System Message: Staging server: Data release: 2023-12
Nomenclature: wfo-0001034556
Euphrasia aequalis J. Bot. 78: 216 (1940)
Nomenclatural References
- literature : J. Bot. 78: 216. 1940 BHL link from IPNI metadata.
- person : Eric Ottleben Callen (b.1912) Based on occurrence of standard abbreviation 'Callen' in the authors string.
- database : IPNI record: 288225-2
- database : The Plant List version 1.0, record: tro-100335743
- database : The Plant List version 1.1, record: tro-100335743