Fig. 1 in A taxonomic revision of Lemna sect. Uninerves (Lemnaceae)

Fig. 1. Ventral view of the investigated duckweed species. A, Lemna minuta clone 9581; B, L. yungensis clone 9208; C, L. valdiviana clone 8685; D, Overview of the measured characters for the morphological analysis. Fronds were prepared using a methanolic carmin staining method. L = length from base to apex, W = width at the widest part of the fronds, LN = length of nerve from node onwards, A = distance between node and end of aerenchyma, N-A = distance from node to apex. Scale bar represents 1 mm.