Nice colony under the bridge, and I was able to get down to it for a change. Also some Lemna going on in the background, don't know what one.
proliferates quickly along the surface of the water and obtains nutrients thorough its roots
The only native plant on this stretch of riverbed.
Covering the Heathcote River here at the moment.a
Azolla (mosquito fern, duckweed fern, fairy moss, water fern) is a genus of seven species of aquatic ferns in the family Salviniaceae. They are extremely reduced in form and specialized, looking nothing like conventional ferns but more resembling duckweed or some mosses.