Duckweed morphology

From the seminal work of Elias Landolt

Spirodela polyrrhiza
Groups of fronds of Spirodela polyrhiza seen from above (x7). Figure taken from the seminal monograph of Landolt (1986), (after Hegelmaier 1868).

 

Lemnaceae_morphology
Groups of fronds of various Lemnaceae seen from above or from
the side (f) from the seminal monograph of Landolt (1986), (after Hegelmaier 1868). (b) Lemna aequinoctialis (x7), (c) Lemna valdiviana (x12), (d) Wolffiela hyalina (x7), (e) Wolffiela oblonga (x7), (f) Wolffia brasiliensis (x7), (g) Wolffia brasiliensis (x20).
legend

 

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