For Abutilon
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Fryxell, P.A. 2002. An Abutilon nomenclator. Lundellia 5: 79-118. Google Scholar
Fryxell, P.A., and S.R. Hill. 2015a. Abutilon. In Flora of North America Editorial Committee. 2015. Flora of North America north of Mexico. Volume 6, Magnoliophyta: Cucurbitaceae to Droseraceae. Oxford Univ. Press, New York, NY. 468 pp. Google Scholar