Description
Common names
Fishbone Water Fern, Fishbone Water-fern, Water Fishbone Fern.
Scientific names
Blechnum nudum.
Family
Blechnaceae.
Genus
Blechnum.
Presence in Australia
Predominantly east of the Hume Highway.
This specie has been identified in the following Australian states: Qld, NSW, ACT, Vic, Tas, SA.
Habitat
Often creekbanks in open forest, or low-lying poorly-drained areas on slopes.
Habit
Tufted ground fern with rhizome and erect fronds 25-60cm long. Sometimes forms black fibrous trunk to 1m high. Often forms colonies.
Site preference
Prefers moist soil and semi-shade.
Characteristics
Hardy and easily grown.
Propagation
From offsets of rootstock or from spore.
Land protection
Useful for stabilising streambanks where naturally occurring.
Wildlife
Probably provides refuge for frogs and native insects.
Ornamental
Excellent and popular container or fernery plant.