Scientific Name: Isoetes jarmaniae Endemic Having a natural distribution confined to a particular geographic region

Common Name: limestone quillwort

Family Classification (Clade): Pteridophytes

Family: Isoetaceae

Threatened Species Status: Rare

Permit: It is an offence to collect, disturb, damage or destroy this species unless under permit.

Form Description: Small, aquatic fern ally with stout, backward-curving leaves, less than 6cm long.

Municipality
West Coast
Plant Communities
No data available for this species
Habitat Notes

Flat alkaline pans in the lowlands of the south-west.

Site Tolerance

Waterlogged

Soil Tolerance

aquatic

General Notes

Propagate through spores that are dispersed by water or animals. Propagation techniques unknown.

Propagation Calendar

  • Flowering Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Seed Collecting Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Sowing Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Cutting Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Propagation Method
Specialist Method

Seed Information

Seed Collection

Isoetes jarmaniae differs from other Isoetes species because the covering over the spore capsules (sori) lacks the thin veil that the others have, and the spores are arranged distinctively.