Lathyrus laetiflorus Greene Lathyrus laetiflorus Greene in Erythea 1(4): 105-106. 1893 sec. Téllez-Valdés 2009≡Lathyrus vestitus subsp. laetiflorus (Greene) Broich in Syst. Bot. 12(1): 151. 1987 syn. sec. Téllez-Valdés 2009