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
Don, David, 1799-1841
Article
1830
Transactions of the Linnean Society of London
16
155--158
BioStor
London, [The Society], 1791-1875,
BioStor: https://biostor.org/reference/5891 DOI: https://doi.org/10.1111/j.1095-8339.1829.tb00134.x