1. Biochemical systematics;Alston,1963
2. International code of botanical nomenclature;Voss;Regnum Vegetabile,1983
3. The systematics and ecology of poison-ivy and the poison-oaks (Toxicodendron, Anacardiaceae);Gillis;Rhodora,1971
4. The systematics and ecology of poison-ivy and the poison-oaks (Toxicodendron, Anacardiaceae);Gillis;Rhodora,1971
5. The systematics and ecology of poison-ivy and the poison-oaks (Toxicodendron, Anacardiaceae);Gillis;Rhodora,1971