Loading...
  • thistles
  • Leaves of 19 different thistles and 11 safflower varieties were inoculated with spores of the fungus and given dew that made infection possible, if the plants were susceptible to infection. (usda.gov)
  • None of the new thistles were infected and only a few infections, similar to some noted before, were found on the safflower varieties. (usda.gov)
  • They are not associated with true thistles ( Cirsium spp. (blogspot.com)
  • Steens Mountain
  • Steens Mountain is home to a variety of wildlife, including bighorn sheep, Rocky Mountain elk, pronghorn, sage grouse, and the Great Basin redband trout. (wikipedia.org)
  • variants
  • In other cases hybridization has been invoked without much evidence as an explanation for Cirsium variants encountered in herbaria or in the field. (efloras.org)
  • native
  • Only three genera in Cardueae are represented by native species in the New World, and of these Cirsium is by far the most widely distributed and diverse. (efloras.org)
  • Native species of Cirsium range from sea level to alpine and from boreal regions of Canada to the tropics of Central America. (efloras.org)
  • It is evident that native Cirsium spp. (usda.gov)
  • Additional tests of native North American Cirsium species and modern safflower cultivars (cv) were requested by regulators and specific interest groups during the risk assessment of foreign isolates of Puccinia jaceae var. (usda.gov)
  • Native Cirsium spp. (usda.gov)
  • metres
  • Cirsium hydrophilum may reach 2 metres (6.6 ft) in height with a branching, cobwebby stem. (wikipedia.org)
  • Elevations of this variety are from 300-750 metres (980-2,460 ft) in the southern Santa Clara Valley and the Diablo Range, including Mount Hamilton. (wikipedia.org)
  • 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)