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West Coast Fern Fieldwork 2012, 4 – new, problematic, and interesting species

  • The cave spleenwort, Asplenium cimmeriorum, only occurs in limestone areas of the west coasts of both the North and South Islands. It is commonly found at cave entrances. We found a new sub-population in the Charleston Conservation Area. Photo Leon Perrie. © Te Papa.
  • We found the lycophyte Lycopodiella cernua at a site near Haast, further south than the Okarito limit noted in the literature. Interestingly, this species also occurs in the tropics! Photo Leon Perrie. © Te Papa.
  • Lycopodiella_cernua_KnightsPoint2
  • Some authorities treat the small plants at lower right as a distinct species, swamp kiokio (Blechnum minus). Others regard them as part of a variable kiokio (Blechnum novae-zelandiae), big plants of which are at left. Photo Leon Perrie. © Te Papa.

Along with the Gleichenia and Sticherus, we were targeting a possible new species of Hymenophyllum filmy fern. We also made collections of several ‘problem’ species and other interesting finds. Cave spleenwort’s distribution based on Te Papa’s collections. Other blog posts about our West Coast fern fieldwork cover: What we were doing. Where we went. Sticherus… Read more »