Madrono, Vol. 59, No. 4, p. 231, 2012 NOTEWORTHY COLLECTION California be C. n. subsp. hephurnii (Boott) A. Love, D. Love & B. — M. Kapoor or C hephurnii Boott, but no clear Carex nardina Fries (CYPERACEAE). Siskiyou geographic limits occur. Wilson et al. (2008) recognize Co., Klamath National Forest, Marble Mountain C. }uirdina as occurring mostly in the northeastern Wilderness, slopes of Black Marble Mountain, portion of Oregon. The single known southern Oregon 41.57836 , -123.20355 (NAD 83), 2110 m/6905 ft., population, representing York 2881 (OSU) from Mount 13 August 2011, York 3059 (HSC, OSU). A rare, Thielsen, 8 August 2005, is the closest known occur- clumped perennial with a single spikelet growing on rence to the Marble Mountain Wilderness collection. It limestone shelves on a large, north-facing outcrop with is nearly 190 air-kilometers away. There are no known Achillea niiUefolium, Angelica arguta. Arnica sp.. populations of C. narditui in the bordering states of Campanula rotimdifolia, Cystopteris fragilis, Oxyria Nevada and Arizona. digyna, Polysticlumi lonchitis, and Saxifragiopsisfragar- Significance. This is the first documented collection ioides. from California. Siskiyou Co., Klamath National Forest, Marble — Mountain Wilderness, slopes of Kings Castle, approx. Dana A. York, Senior Environmental Planner, 5 km north of other known population ( York 3059) California Department of Transportation, 1656 Union for CA., 41.61475\ -123.22112 (NAD 83), 2175 Street, Eureka, CA 95501. [email protected]. m/7150 ft., 8 September 201 1, York 3087 (HSC, JEPS, A OSU). rare, clumped perennial with a single spikelet Literature Cited growing on limestone shelves on a large, northeast- facing outcrop with Achillea niillefoliimi, Angelica Murray, D. F. 2002. Carex nardina. Pp. 567 9 in arguta. Arnica mollis. Campanula rotundifolia, Cystop- Flora of North America Editorial Committee teris fragilis, Pellaea breweri, Polemonium pulcherri- (eds.). Flora of North America north of Mexico, mum, and Polystichum lonchitis. Volume 23, Magnoliophyta: Commelinidae (in Previous knowledge. Carex nardina is a circumpolar part): Cyperaceae. Oxford University Press, New species occurring throughout the northern portion of York, NY. North America into Eurasia. According to Murray Wilson, B. L., R. Brainerd, D. Lytjen, B. New- (2002), there has been much written about the variation house, AND N. Otting. 2008. Field guide to the in C nardina with little resolution. Some authors have sedges of the Pacific Northwest. Oregon State considered some or all the North American material to University Press, Corvallis, OR.