Annales de la Société royale d'agriculture et de botanique de Gand :.
Gand [etc.] :Société royale d'agriculture et de botanique,1845-1849..
biodiversitylibrary.org/page/47262968
American journal of botany
Lancaster, Pa. :Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens,1914-
biodiversitylibrary.org/page/47189302
American journal of botany
Lancaster, Pa. :Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens,1914-
biodiversitylibrary.org/page/47189296
American journal of botany
Lancaster, Pa. :Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens,1914-
biodiversitylibrary.org/page/47189298