Daniel J. Crawford, Elias Landolt, Donald H. Les, An Allozyme Study of Two Sibling Species of Lemna (Lemnaceae) with Comments on Their Morphology, Ecology and Distribution, Bulletin of the Torrey Botanical Club, Vol. 123, No. 1 (Jan. - Mar., 1996), pp. 1-6
No takes yet. Share an insight, caveat, or question.
Crawford et al. (1996) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: