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APA Citation
Ardenghi, N. M. G., Armstrong, W. P., & Paganelli, D. (2017). wolffia columbiana (Araceae, Lemnoideae): first record of the smallest alien flowering plant in southern Europe and Italy. Botany letters, 164(2), 121–127. http://access.bl.uk/ark:/81055/vdc_100046083824.0x000006