Posts tagged with New Zealand Southern Islands

Snares Islands Flora: the ferns

  • Catchments sloping to the east on North East Island. Image: Antony Kusabs, Te Papa.
  • Bare substrate and titi / mutton bird burrows in Olearia lyallii forest, a common site on North East Island. Image: Antony Kusabs, Te Papa
  • Underside of Asplenium scleroprium frond showing sori extending to lamina margins. Above Hoho Stream, North East Island. Image: Antony Kusabs, Te Papa
  • Asplenium scleroprium, above Hoho Stream, North East Island. Image: Antony Kusabs, Te Papa

There are currently five recognised species of fern on the Snares Islands, the closest sub-antarctic island group to New Zealand. North East Island, the main island of the Snares group, slopes gently downhill from the tall, tussock covered western cliffs towards the forested east coast, creating four small catchments, which drain into Boat Harbour and Hoho Bay.  This combination… Read more »

Snares Islands Flora: an introduction

  • Olearia lyallii. Image: Antony Kusabs, Te Papa.
  • Stilbocarpa robusta. Image: Antony Kusabs, Te Papa.
  • Stellaria media, Gull Point, Boat Harbour, North East Island. Image: Antony Kusabs, Te Papa
  • Stellaria decipiens. Image: Antony Kusabs, Te Papa

The vascular flora of the Snares Islands is limited, at only 22 species (including one hybrid Poa).  Despite this, my first impression of the main island was an island covered with lush vegetation.  And there are still some botanical challenges – we failed to locate the fern Histiopteris incisa for instance.  Vegetation communities on the Snares… Read more »