Hortica : Color Cyclopedia of Garden Flora in All Climates Worldwild and Exotic Plants Indoors - Alfred Byrd Graf (New Jersey Roehrs Company Publishers, 1992)
Alfred Byrd Graf: Hortica : Color Cyclopedia of Garden Flora in All Climates Worldwild and Exotic Plants Indoors. New Jersey. Roehrs Company Publishers, 1992. 0-911266-25-9--(635.03GRA)
ENGLISH