Eternity Series - Eternity In A Moment

Aileen David

Hawthorn, Australia

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Artist's Description

This is a fossilised fern specimen, my last shot of fossils from the Australian Museum, Sydney (for now). I did a bit of post processing with this one as the original lighting isn’t much for photography. So had to adjust the Tone Curve, Saturation and Gamma to add some drama and interest to the shot; what I saw in my mind as I was photographing it.
Best viewd larger…really

Ferns first appear in the fossil record in the early-Carboniferous period. By the Triassic, the first evidence of ferns related to several modern families appeared. The “great fern radiation” occurred in the late-Cretaceous, when many modern families of ferns first appeared.
One problem with fern classification is the problem of cryptic species. Cryptic species are those which are morphologically similar to another species, but which differ genetically in ways that prevent fertile interbreeding. A good example of this can be seen in the currently-designated species Asplenium trichomanes, the maidenhair spleenwort. This is actually a species complex which includes distinct diploid and tetraploid races. There are minor but unclear morphological differences between the two groups, which prefer distinctly differing habitats. In many cases such as this, the species complexes have been separated into separate species, thus raising the number of overall fern species. Possibly many more cryptic species are yet to be discovered and designated.
Ferns have traditionally been grouped in the Class Filices, but modern classifications assign them their own division in the plant kingdom, called Pteridophyta.

from: Wikipedia

Artwork Comments

  • Vanessa Barklay
  • Aileen David
  • Larry Davis
  • Aileen David
  • Mike Oxley
  • Aileen David
  • greenstone
  • Aileen David
  • Aileen David
  • Aileen David
  • stephaniek
  • Aileen David
  • JKKimball
  • Aileen David
  • Vanessa Barklay
  • Evita
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