References

For Wolffiella

Landolt, E. 1980. Key to the determination of taxa within the family of Lemnaceae. Veröffentlichungen des Geobotanischen Institutes der Eidg. Techn. Hochschule, Stiftung Rübel, Zürich 70: 13-21. Google Scholar

Landolt, E. 1986. The family of Lemnaceae – a monographic study. Veröffentlichungen des Geobotanischen Institutes der Eidg. Techn. Hochschule, Stiftung Rübel, Zürich 71: 1-566. Google Scholar

Landolt, E. 1998. Lemnaceae. Pp. 264-270. In Kubitzki, K., ed. 1998b. The families and genera of vascular plants. IV. Flowering plants – Monocotyledons – Alismatanae and Commelinanae (except Gramineae). Springer, Berlin. 511 pp. Google Scholar

Landolt, E. 2000. Lemnaceae. In Flora of North America Editorial Committee. 2000. Flora of North America north of Mexico. Volume 22, Magnoliophyta: Alismatidae, Arecidae, Commelinidae (in part), and Zingiberidae. Oxford Univ. Press, New York, NY. 352 pp. Google Scholar

Les, D.H., D.J. Crawford, E. Landolt, J.D. Gabel, and R.T. Kimball. 2002. Phylogeny and systematics of Lemnaceae, the Duckweed Family. Syst. Bot. 27(2): 221-240. Google Scholar

Spaulding, D.D., T.W. Barger, H.E. Horne, and B.J. Finzel. 2019. Flora of Northern Alabama, part 4. Basal Monocots. Phytoneuron 2019-47: 1–132. Published 29 October 2019. ISSN 2153 733X Google Scholar