⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-13075791, with some changes.
This name is a synonym of Lathyrus palustris f. angustifolius (Coutinho) Bassler.
The record derives from Tropicos which reports it as a synonym (record 13075791) with original publication details: Fl. Portug. (ed. 2) 439 439 1939.