Municipalities

Scientific Name

Lindsaea linearis

Family Name

LINDSAEACEAE

Common Name

Screw fern

Status

Height

Flowers

None

Fruit

Spores

Form

Fern; fronds, erect , pale. Fertile fronds tall, narrow, pinnae triangular, resemble a wood screw; barren frds.,shorter, broader..

Municipalities

Break O'Day; Burnie; Central Coast; Central Highlands; Circular Head; Derwent Valley; Devonport; Dorset; Flinders Island; Georgetown; Glamorgan-Spring Bay; Huon Valley; Kentish; King Island; Kingborough; Latrobe; Launceston; Meander Valley; Northern Midlands; Southern Midlands; Tasman; Waratah-Wynyard; West Coast; West Tamar

Communities

Coastal Vegetation; Dry Eucalypt Forest and Woodland; Heath; Swamps and buttongrass plains

Habitat Notes

Common from coastal regions inTasmania. Grows on poorly darined, sandy or peaty soils on buttongrass plains, heathland, dry sclerophyll forest and on high ground in Melaleuca or Leptospermum swamps.

Site Tolerance

Exposed; Moist; Waterlogged

Frost Tolerance

Soil Tolerance

Clay; Poor; Poorly-drained; Sandy; Peaty

General Notes

Distinguishing features; the black or dark-brown axes of the lamina (broad part of the leaf), the narrow fertile fronds with screw-like pinnae. 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

Sori marginal and elongated.spores are collected when mature on the frond. unripe sori are generally light green then change to yellowish brown and to dark brown or black when mature

Seed Treatment Method

Seed Storage Life

Viable Seeds Per Gram

Seed Treatment Notes

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.

Cutting Notes

Very difficult to establish or keep growing.