She had made friends with the spring down in the hollow-- that wonderful deep, clear icy-cold spring; it was set about with smooth red sandstones and rimmed in by great palm-like clumps of water fern
; and beyond it was a log bridge over the brook.
Invasive aquatic plants like the water hyacinth and water fern
have also adversely affected wetland biodiversity.
Of these, the water fern
Azolla is perhaps the most promising, being free crop of high nutritive value (Lumpkin and Plucknett, 1982).
Aquatic plants: Pennywort and water fern
are problematic, Hodgson says.
AQUATIC PLANTS Pennywort and water fern
are problematic, he says.
The protected flora and fauna features water fern
, the red junglefowl and greater coucal.
Owen McKenna's Water Fern
can dash clear in the first heat and lead home the big-finishing Coolio.
(2012) who reported that water fern
effectively removed nitrogen, phosphorus and iron when exposed to three sources of polluted water along with standard solutions.
FOUR thousand hungry weevils have been released into a Hudders-field canal in a bid to destroy an invading water fern
If you are buying plants for your pond, make sure to avoid the five following non-native invasive species that since April 6 this year are now banned: Azolla filiculoides (water fern
); Myriophyllum aquaticum (Parrot's fern); Hydrocotyle ranunculoides (floating pennywort); Ludwigia grandiflora (water primrose); Crassula helmsii (New Zealand pygmyweed).
Gardeners who want to help the wider environment can do so by not using water worn limestone quarried from our diminishing limestone pavements, using peatfree composts and being very careful when disposing of potentially invasive plants like water fern
when carrying out major work in their gardens.