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  • Bromus
  • fasciculatum) chaparral honeysuckle (Lonicera interrupta) chaparral whitethorn (Ceanothus leucodermis) chaparral yucca (Hesperoyucca whipplei) cheatgrass (Bromus tectorum) cirsium sp. (calflora.net)
  • invasive
  • Invasive alien species become established in natural or semi-natural ecosystem or habitat, are agents of change and threaten native biological diversity. (botanyeveryday.com)
  • Invasion ecology is the study of how invasive species interact in the environment. (botanyeveryday.com)
  • Ecosystem characteristics that effect exotic invasive potential include, availability of water, climate regime, position as a disturbed or climax environment, soil quality, nutrient resource availability, species diversity, and the type of plants already present. (botanyeveryday.com)
  • When you shop for garden plants skip the invasive exotic species. (herald-mail.com)
  • stem
  • campylon compared to other varieties of this species manifest first in a green stem which has a maximum height of 2 metres (6.6 ft). (wikipedia.org)
  • native
  • The species is native to the northwestern United States, in the States of Washington, Oregon, and Idaho. (wikipedia.org)
  • The species is native to central and western Canada, in every province from Ontario to British Columbia, plus the Northwest Territories. (wikipedia.org)
  • It has also been found outside of its native range as an introduced species. (wikipedia.org)
  • For native species only, the FQI = 25.0 and the mean Coefficient of Conservatism (mean C) is 2.2. (thefreelibrary.com)
  • The high percentage of non-native species is discussed from the standpoint of secondary succession at the site since the early 1980s. (thefreelibrary.com)
  • photo
  • Biota of North America Program 2014 county distribution map photo of herbarium specimen at Missouri Botanical Garden, collected near Pullman, Washington, isotype of Cirsium brevifolium Piper, Charles Vancouver 1906. (wikipedia.org)
  • status
  • The text information for each species is taken directly from the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) executive summaries. (gc.ca)
  • COSEWIC is recognized under SARA as the authority for assessing the status of wildlife species at risk. (gc.ca)
  • COSEWIC gives priority to those species more likely to become extinct, and then commissions a status report for the evaluation of the species' status. (gc.ca)
  • canada
  • The Government of Canada is committed to preventing the disappearance of wildlife species at risk from our lands. (gc.ca)
  • distribution
  • The 3 varieties of Cirsium fontanale have specific limited distribution ranges, and distinctive features. (wikipedia.org)
  • Study influences of geology and fire on the distribution of plant communities, and meet some late-flowering species as we ascend Barlow Butte by car and foot with USFS botanist Lance Holmberg. (npsoregon.org)
  • record
  • These lists are intended to record those species that are visible from the Trail itself, or from areas that are very close to and immediately adjacent to the Trail. (calflora.net)
  • area
  • Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur. (aplus.net)