On the Origin and Nature of the Ligulate Rays in Zinnia; and on a remarkable Multiplication observed in the Parts of Fructification of that Genus

Mr David Don

Published in Transactions of The Linnean Society of London, in 1830, in volume 16, pages 155-158

Date published:1830

DOI: 10.1111/j.1095-8339.1829.tb00134.x
BHL: 2267717
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