Barry Hammel 19536 Det. by: B. Hammel, III 1994 Phenology: LR 22 March 1994 09:58N 84:05W 1100 m HEREDIA, SANTO DOMINGO Valle Central. Hierba hasta 2.5 m; flores verde- amarillo.
William Haber 10221 Det. by: J. Strother, II 1993 Phenology: LR 19 December 1990 10:18N 84:48W 1300-1400 m PUNTARENAS, PUNTARENAS Cordillera de Tilarán. Herb, 0.5-1.5 m, roadside weed. Flower head 5 mm long, without lateral petals; florets pale green, styles cream, anthers beige. Pappus beige.