by Michael O. Dillon
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A systematic study of Flourensia (Astera...
Family Asteraceae, part V
Family Compositae
Additions to tribe Vernonieae (Composita...
Flowering plants
The harvesting and storage of dahlias
Contribution à l'étude des Composées
Propagation of the dahlia
Flora of Guatemala
Beiträge zur Anatomie und Morphologie de...