nuc89-91711: His A systematic study of three genera ... 1986 (hdg. on MoSW rept.: Lowry, Porter Prescott, II; usage: Porter Prescott Lowry II)
Assoc. pour l'étude taxonomique de la flore d'Afrique tropicale. Réunion plenière (11th : 1985 : Missouri Botanical Garden). Modern systematic studies in African botany, c1988 t.p. (Porter P. Lowry II)