Plants. Photo: Australian Plant Image Index, photo Murray Fagg, Australian National Botanic Gardens, ACT

Plants. Photo: Forest and Kim Starr, Hawaii, USA

Plant from the side. Photo: Malcolm Storey, Berkshire, England

Common Name

Red Azolla, Pacific Azolla, Red Duckweed

Family

Salviniaceae

Notes

Floating fern, leaves red (or green in shaded areas). Leaves alternating along the stem, mostly less than 0.2cm long, flat, deeply 2-lobed, the smaller lobe submerged. The whole plant 1-3cm long and broad. Family Azollaceae in SA.

Description and photo (as Azolla filiculoides var. rubra) in G.M. Cunningham, WE Mulham, PL Milthorpe and J H Leigh (1981 and later printings) Plants of Western New South Wa les page 34

PlantNET description:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Azolla~filiculoides