Authors: Fryxell, PA Olivera, MDG

Citation: Pa. Fryxell et Mdg. Olivera, New Mexican species of Byttneria (Sterculiaceae), Bakeridesia (Malvaceae),and Triumfetta (Tiliaceae), BRITTONIA, 53(1), 2001, pp. 59-65

Authors: Blanchard, OJ Fryxell, PA

Citation: Oj. Blanchard et Pa. Fryxell, Two new subspecies of Hibiscus trilobus (Malvaceae) from Central and SouthAmerica, NOVON, 10(3), 2000, pp. 190-192

Authors: Fryxell, PA

Citation: Pa. Fryxell, Correction of some nomenclatural, typification, and other discrepancies inneotropical Pavonia (Malvaceae), BRITTONIA, 52(2), 2000, pp. 200-202