• (Arezzo). Un originale impianto ottocentesco per l'acclimatazione di specie arboree esotiche di interesse forestale", in Abstracts del 93° Congresso della Società...
    5 KB (414 words) - 21:06, 16 August 2024
  • Thumbnail for Flora of Italy
    means of glacial relict species. A well known example is the Etna birch (Betula aetniensis), driven in Sicily at a time when the climate was much colder...
    28 KB (2,542 words) - 13:30, 26 August 2024
  • Thumbnail for Polyploidy
    Polyploidy (category Speciation)
    Gossypium hirsutum pentaploid (five sets; 5x), for example Kenai Birch (Betula kenaica) hexaploid (six sets; 6x), for example some species of wheat, kiwifruit...
    82 KB (8,887 words) - 21:10, 25 October 2024
  • are very resistant to periods of drought and icy conditions. The species Betula nana has been identified as the ideal tree for the acid, nutrient-poor soils...
    44 KB (5,457 words) - 15:34, 3 September 2024
  • Thumbnail for Amanita muscaria
    on the New South Wales north coast. It was recorded under silver birch (Betula pendula) in Manjimup, Western Australia in 2010. Although it has apparently...
    82 KB (8,930 words) - 01:36, 11 November 2024
  • Thumbnail for Habitat fragmentation
    the physical environment (suspected of being one of the major causes of speciation), and human activity such as land conversion, which can alter the environment...
    75 KB (8,637 words) - 04:44, 19 October 2024
  • 29304480M. doi:10.1016/j.revpalbo.2021.104480. Crane, P.; Stockey, R. (1987). "Betula leaves and reproductive structures from the Middle Eocene of British Columbia...
    151 KB (6,163 words) - 22:12, 13 November 2024