• Thumbnail for Fern spike
    In paleontology, a fern spike is the occurrence of unusually high spore abundance of ferns in the fossil record, usually immediately (in a geological...
    11 KB (1,225 words) - 06:45, 7 June 2024
  • Thumbnail for Fern
    Pteridological Society Chirosia betuleti - Fern gall Fern spike Fern sports Paisley (design) Pteridophyte Silver fern flag President, International Association...
    60 KB (5,785 words) - 23:36, 26 September 2024
  • extinctions, such as with the 1980 Mount St. Helens eruption, which led to a fern spike extinction. Heat waves can lead to local extinction. In New Zealand, during...
    12 KB (1,277 words) - 22:43, 26 September 2024
  • Thumbnail for Cretaceous–Paleogene extinction event
    recolonizations by fern species, represented as a fern spike in the geologic record; this same pattern of fern recolonization was observed after the 1980 Mount...
    200 KB (21,686 words) - 18:46, 3 October 2024
  • Thumbnail for Boltysh crater
    Chicxulub crater, a 2010 radiometric and palynological study of fern spore (fern spikes) abundance suggested the Boltysh impact may have occurred several...
    8 KB (938 words) - 18:21, 29 August 2023
  • Thumbnail for Hell Creek Formation
    "the fern spike" (meaning that if the abundance of spores as a function of stratigraphic position were plotted out, the graph would show a spike just...
    46 KB (4,521 words) - 10:05, 4 September 2024
  • Thumbnail for Paleocene
    especially rich in fern fossils. Ferns are often the first species to colonize areas damaged by forest fires, so this "fern spike" may mark the recovery...
    154 KB (17,377 words) - 07:58, 4 October 2024
  • "the fern spike" (meaning that if the abundance of spores as a function of stratigraphic position were plotted out, the graph would show a spike just...
    155 KB (7,485 words) - 10:46, 3 October 2024
  • Fern Hollow Animal Stories is a series of over sixteen books written and illustrated by British author John Patience. The series of books revolve around...
    5 KB (459 words) - 09:07, 27 June 2024
  • Thumbnail for Lygodium japonicum
    of species such as the small-spike false nettle (Boehmeria cylindrica), royal fern (Osmunda spectabilis), resurrection fern (Pleopeltis polypodioides ssp...
    6 KB (678 words) - 11:54, 27 September 2023