Municipalities

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Scientific Name

Azolla filiculoides

Family Name

AZOLLACEAE

Common Name

Pacific Azolla

Status

Height

Flowers

None

Fruit

Spores

Form

Sparsely branched aquatic fern forming free floating masses, roots unbranched.

Municipalities

Brighton; Burnie; Central Highlands; Georgetown; Huon Valley; King Island; Kingborough; Northern Midlands; Southern Midlands; West Tamar

Communities

Aquatic

Habitat Notes

Occurs in still or slow-moving waters of agricultural dams, lagoons, creeks and rivers.

Site Tolerance

Waterlogged

Frost Tolerance

Tender

Soil Tolerance

Aquatic

General Notes

Normally light green in colour under shade but in full sun changes to a conspicuous purplish red which is believed to protect leaves from ultra violet. Commonly grown on ponds or dams as a cover for fish and food for water birds. Also used in cold water aquaria. Suitable below powerlines.

Propagation Details

Propagation Calendar

Flowering Months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Seed Collecting Months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sowing Months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Cutting Months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Seed Information

Seed Collection

Rarely fertile. fragments detach from the mass and disperse in times of flood

Seed Treatment Method

Seed Storage Life

Viable Seeds Per Gram

Seed Treatment Notes

Seeds are rarely used for aquatic species.They must be sown fresh on the surface of soil in pots standing in water and covered with a sheet of glass.

Germination Time

Suitable for Direct Seeding

Cuttings

Expected Time to Take Root

Expected Time to Plant Out

Propagation by Division N.B. Transplant only from nearby to avoid disease.

Yes

Cutting Notes

Propagates readily by division of the stems.