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Notogrammitis gunnii
Notogrammitis gunnii (N. gunnii), common name creeping fingerfern, is an uncommon native species of alpine fern endemic to Tasmania, Australia. Historically the species was known as Grammitis gunnii after a man named Gunn, a Tasmanian plant collector the contemporary name is dervied from the Greek noto- 'southern' and gramma 'line'.

Description
N. gunnii is a fern exhibiting coriaceous strap-like fronds (12-37 x 3-5 mm) and a long creeping rhizome structure. Like other Grammitis species it possesses thick unlobed leaves which are only a few centimeters long, the key diagnostic feature distinguishing it from homogenous species is the presence of red-brown simple hairs (0.2-1.3 mm long) present on the lower surface, associated with sori (clusters of sporangia). Veins aren't visible in natural or artificial light, sori are rounded to elliptic (1-7 pairs). Hairs are present on Grammitis poeppigiana in a forked arrangement while Grammitis billardieri and Grammitis magellanica do not posess hairs.

Habitat and Distribution
N gunnii endemic to Tasmania and New Zealand, growing on various rocky substrates including granite, marble, greywacke and schist outcrops or throughout soil lodged between boulders derived from these substrates.



Reproduction and Dispersal
Produces spores from sporangia, which are wind dispersed.