On the Cover

Abstract

Atriplex is a genus of about 130 species, 60 of which are native or introduced in North America. Atriplex plants fall in two subgenera, one of monoecious herbs, and the other of dioecious shrubs. 1 Wodehouse RP Hayfever Plants. 2nd Ed. Hafner, New York1971: 119-124 Google Scholar Herbaceous Atriplex species are common throughout Canada and eastern United States, and Europe. 2 Howard JL. Atriplex canescens. In: Fire Effects Information System (Online). U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory, 2003. http://www.fs.fed.us/database/feis/plants/shrub/atrcan/all.html. Google Scholar , 3 Polunin O Flowers of Europe: A Field Guide. Oxford University Press, London1969: 68-72 Google Scholar , 4 Bassett IJ Crompton CW Parmalee JA An Atlas of Airborne Pollen Grains and Common Fungus Spores of Canada. Printing and Publishing, Supply and Services Canada, Hull, Quebec1978: 135-136 Google Scholar Wingscale, Atriplex canescens, also known as fourwing saltbush, is the most widely distributed woody shrub in North America. 2 Howard JL. Atriplex canescens. In: Fire Effects Information System (Online). U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory, 2003. http://www.fs.fed.us/database/feis/plants/shrub/atrcan/all.html. Google Scholar Its range is from the drier portions of southern British Columbia, Alberta, and Saskatchewan, through the dry eastern regions of Washington, Oregon, and California extending to the Pacific coast, east to the Missouri river, and south through Texas into central Mexico. 1 Wodehouse RP Hayfever Plants. 2nd Ed. Hafner, New York1971: 119-124 Google Scholar , 2 Howard JL. Atriplex canescens. In: Fire Effects Information System (Online). U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory, 2003. http://www.fs.fed.us/database/feis/plants/shrub/atrcan/all.html. Google Scholar , 4 Bassett IJ Crompton CW Parmalee JA An Atlas of Airborne Pollen Grains and Common Fungus Spores of Canada. Printing and Publishing, Supply and Services Canada, Hull, Quebec1978: 135-136 Google Scholar , 5 Lewis WH Vinay P Zenger VE Airborne and Allergenic Pollen of North America. Johns Hopkins University Press, Baltimore1983: 152-158 Google Scholar It is a dominant species on saline alkaline flood plains, especially in the Great Basin. Wingscale is found from below sea level to over 8000 feet. 6 Elmore FH Shrubs and Trees of the Southwest Uplands. Southwest Parks and Monuments Association, Tucson, AZ1976: 36-37 Google Scholar , 7 Bowers JE Shrubs and Trees of the Southwest Deserts. Southwest Parks and Monuments Association, Tucson, AZ1993: 24-27 Google Scholar It is highly successful due to its adaptability. 7 Bowers JE Shrubs and Trees of the Southwest Deserts. Southwest Parks and Monuments Association, Tucson, AZ1993: 24-27 Google Scholar It has a marked degree of multiple chromosome sets (polyploidy) and shows a high degree of evolutionary shift. 2 Howard JL. Atriplex canescens. In: Fire Effects Information System (Online). U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory, 2003. http://www.fs.fed.us/database/feis/plants/shrub/atrcan/all.html. Google Scholar , 8 Sanderson SC McAuthor ED Fourwing Saltbush (Atriplex canescens) Seed Transfer Zones. Gen Tech Rep RMRS-GTR-125. U.S. Department of Agriculture, forest Service, Rocky Mountain Research Station, Fort Collins, CO2004 Google Scholar It is planted worldwide to increase forage production in arid rangelands, and is naturalized to cold, warm, and hot deserts. 2 Howard JL. Atriplex canescens. In: Fire Effects Information System (Online). U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory, 2003. http://www.fs.fed.us/database/feis/plants/shrub/atrcan/all.html. Google Scholar