Table Of Content

NEW STATE RECORDS OF VASCULAR PLANTS FOR THE SOUTHERN ROCKY MOUNTAIN REGION Snow Pamela Smith Donald Hazlett Neil F. L. 525 Bernice Street 1 INTRODUCTION Routine identifications during the past few years of specimens housed in the herbarium the University at Northern Colorado Herbarium (GREE), where the authors previously worked, revealed new records state New of vascular plants for Colorado and Mexico, which we report here. All specimens are housed GREE at & (herbarium acronyms following Holmgren Holmgren 1998) except for the specimen of Trijolium COLO), (at and were compared against holdings at GREE, CS, COLO, or RM. Nomenclature and family designations Snow follow (2009). AMARANTHACEAE Amaranthus californicus (Moq.) S. Wats. This species is a glabrous, prostrate, monoecious annual that m occupies seasonally moist flats, shores and other disturbed habitats at elevations between 0-2800 (Mos- & We New yakin Robertson 2003; Welsh et 2003). report here for the time from Colorado and al. it first Mexico; various sources also report the species from Canada, California, Idaho, Kansas, Montana, Nebraska, Nevada, Oregon, South Dakota, Texas, Utah, Washington and Wyoming. Voucher specimen: COLORADO. Weld Co.: T09N R65W S20 SE, <0.2 mi N of Weld County Road 102, ca. 6 air mi E of Hwy 85, elev. NEW ca. 5160 ft [1573 m], infrequent in alkali bed of Little Owl Creek, Pawnee National Grassland, 10 Sep 2004, D.L. Hazlett 12159. MEXICO. San Miguel Co.: elev. ca. 6000 in a dry lake be, 15 Aug 1944, A.L. Hershey ft s.n. EUPHORBIACEAE Euphorbia exstipulata Engelm. In the Southern Rockies this annual species was collected only once previ- Wyoming Wyoming ously, in 1894, in Platte Co. (Dorn 2001). It is noted as likely extirpated for the State of An known (Kartesz 2009). additional collection near our area from Cimarron County, Oklahoma, but the is USA NM, CA species otherwise occurs in the in UT, AZ, TX, and (Kartesz 2009). FABACEAE & Trifolium dasyphyllum Gray anemophilum Torr. A. var. (Greene) Martin ex Isley. This native J.S. known perennial previously has been only from Wyoming. The closest population occurs in the Laramie Range Albany Wyoming in eastern County, (Isley 1980). ACKNOWLEDGMENTS GREE NSF work Southern Rocky Mountain taxa was supported by DEB-0237149. Support for curatorial of at and Thanks an anonymous Ronald Hartman, and Ben Legler for reviewing the manuscript, to reviewer, to John Kartesz providing advance copies of Version 2 of the Floristic Synthesis. for REFERENCES Wyoming. Mountain West Publishing, Cheyenne. 2001 Vascular plants of Third edition. Dorn, R.D. . A and Holmgren. 998 [continuously updated]. Index Herbariorum: global directory of public Holmgren, N.H. P.K. 1 New Herbarium, (http://sweetgum.nybg.org/ih/). herbaria and associated York Botanical Garden's Virtual staff. New one new (Leguminosae). 32:55-57. combinations and variety Trifolium Brittonia 980. in D. Isley, 1 United A synonymized and with biological attributes for the vascular flora of the 2009. checklist atlas Kartesz, J.T. Second synthesis of North America, Version Canada, and Greenland. edition. Kartesz, Floristic States, In: J.T. 1.0 (in press). Magno- Amamnthus L of North America north of Mexico. Vol. Mosyakin, Si. and K.R. Robertson. 2003. In: Flora 4, New 0-435. Caryophyllidae, part Oxford University Press, York. Pp. 41 liophyta: 1 . (http^/www. Snow, N. 2009. Checklist of vascular plants of the southern Rocky Mountain Region. Version 3. botanicus.org/title/b1 33441 6x) or (http://www.conps.org/plant_lists_keys.html). Young A Brigham Welsh, S.L, N.D. Atwood, S. Goodrich, and L.C. Higgins. 2003. Utah flora. Third edition. University,