• Crataegus okanaganensis is a species of hawthorn native to western British Columbia, Washington state and Montana. It forms a vigorous shrub to 8 m in...
    1 KB (116 words) - 11:02, 15 June 2023
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    hawthorn Crataegus okanaganensis – Okanagan Valley hawthorn Crataegus opaca – western mayhaw Crataegus orientalis – oriental hawthorn Crataegus pedicellata...
    37 KB (3,869 words) - 17:52, 9 September 2024
  • R.J. (1998). Three new species of Crataegus (Rosaceae) from Western North America: C. okennonii, C. okanaganensis, and C. phippsii. Sida Contributions...
    4 KB (365 words) - 18:10, 9 February 2024
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    R.J. (1998). "Three new species of Crataegus (Rosaceae) from Western North America: C. okennonii, C. okanaganensis, and C. phippsii". SIDA, Contributions...
    2 KB (147 words) - 07:58, 1 June 2024
  • Thumbnail for List of Rosales of Montana
    hawthorn Crataegus monogyna, English hawthorn Crataegus okanaganensis, Okanagan Valley hawthorn Crataegus okennonii, O'Kennon's hawthorn Crataegus phippsii...
    13 KB (1,080 words) - 19:42, 9 June 2024
  • coining the term "Eocene orchards". Fossil evidence from both Sorbus/Crataegus and Rhus leaves in the Republic sites indicate the area was a center for...
    147 KB (6,066 words) - 16:53, 26 September 2024
  • rose tribe containing both Physocarpus and Neillia, or possibly Rubus, Crataegus, or Ribes. Fossils of both Sorbus and Rhus species leaves showing evidence...
    120 KB (6,618 words) - 05:38, 7 October 2024
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    fruits and leaves of the beech Fagus langevinii and the elm Ulmus okanaganensis. Below is an incomplete list of the plant genera found in the McAbee...
    32 KB (2,671 words) - 23:46, 26 September 2024
  • †Ulmus chuchuanus †Ulmus miocenica - type locality for species †Ulmus okanaganensis †Ulmus oregoniana †Ulmus pacifica - type locality for species †Ulmus...
    195 KB (13,078 words) - 22:28, 4 October 2024