Calochlaena dubia —Common Ground Fern—DICKSONIACEAE

Calochlaena dubia

Link to Images on Flickr.

Habitat—Widespread in tall open forest, usually on poorer soils

Distribution—Tasmania, Victoria, New South Wales and Queensland.

Description—A terrestrial fern, rhizome usually stout, covered with soft, silky, pale and dark brown hairs

Local occurrences

Australis Resort, Barrington/Gloucester Tops, Black Head, Black Head Flora Park, Booti Hill, Burgess Beach, Cape Hawke, Cellito, Charlotte Head, Cliff Road, Copeland, Crowdy Bay National Park, Darawank Nature Reserve and Wetland, Diamond Beach, Dixon Property, Elizabeth Beach, Forster Cemetery, Golden Ponds Reserve, Great Lakes College-Forster Campus, Karloo Street Reserve, Knappinghat Nature Reserve, Ohmas Bay, One Mile Beach, Pebbly Beach, Penenton Creek and Wetlands, Reservoir Hill Reserve, Seven Mile Beach and Green Point, Stephen Street Reserve, Talawahl Nature Reserve, Tern Island, The Sanctuary, Tiona, Tonie's Gully, Tuncurry Flora Park, Waitui Falls, Wallamba Cove, Wallamba River Area, Wallingat National Park and Zamia Place Reserve.

Fronds.—0.4 to 1.5 m high, erect with drooping tips; stipe often mottled, yellow to brown above, darker below and at the base; lamina 3 to 4—pinnate, broad—triangular, pale green, lacy; ultimate segments asymmetric,usually deeply lobed with decurrent bases.

Calochlaena dubia
Calochlaena dubia

Sori.— Small, circular, marginal in 2 rows, each covered by a recurved marginal lobe; true indusium small and scale—like.