Pleuropogon Explained

Pleuropogon is a genus of Arctic and North American plants in the grass family known generally as semaphore grass.^{[1] [2]}

Pleuropogon native primarily to North America, with one species extending into Arctic Eurasia. These are erect grasses with drooping leaves. They grow in wet areas, sometimes even to the point of being partially submerged at times.^{[3] [4]}

Species^{[5] [6] [7]}

• Pleuropogon californicus (Nees) Benth. ex Vasey - annual semaphore grass - California (from San Luis Obispo Co to Humboldt Co)
• Pleuropogon davyi L.D.Benson - northwestern California
• Pleuropogon hooverianus (G.T.Benson) Howell - North Coast semaphore grass - California (Mendocino, Sonoma, Marin Cos)
• Pleuropogon oregonus Chase - Oregon semaphore grass - Oregon (Lake + Union Cos)
• Pleuropogon refractus (A.Gray) Benth. ex Vasey - nodding semaphore grass - California (Del Norte, Humboldt, Mendocino, Marin Cos), Oregon, Washington, British Columbia
• Pleuropogon sabinii R.Br. false semaphore grass - Svalbard, Greenland, Nunavut, Yukon, Northwest Territories, Ontario, Quebec, Labrador, Alaska, northern regions of Russian Federation

Notes and References

1. Brown, Robert 1823. Chloris Melvilliana pages 31–32, plate D
2. https://www.biodiversitylibrary.org/page/639429#page/16/mode/1up But, P. P. H. 1994. New combinations in Pleuropogon (Poaceae). Novon 4(1): 16–17
3. http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?8738,9203 Jepson Manual Treatment
4. http://plants.usda.gov/java/profile?symbol=PLEUR2 USDA Plants Profile
5. http://apps.kew.org/wcsp/namedetail.do?name_id=434961 Kew World Checklist of Selected Plant Families
6. http://www.theplantlist.org/tpl1.1/search?q=Pleuropogon The Plant List search for Pleuropogon
7. http://bonap.net/NAPA/TaxonMaps/Genus/County/Pleuropogon Biota of North America Program 2014 county distribution maps