References
- | A | B | C | D
| E | F | G | H
| I | J | K | L | M
| N | O | P | Q | R
| S | T | U | V | W
| X | Y | Z |
- Allphin, L. 1991. Survey of Grand Gulch Primitive Area for Erigeron kachinensis.
Unpublished report prepared for the Colorado Natural Areas Program, Denver, CO.
- Anderson, J.L. 1988a. Status report for Ipomopsis polyantha var. polyantha. Unpublished
report prepared for the U.S. Fish and Wildlife Service, Golden, CO.
- Anderson, J.L. 1988b. Status report for Lesquerella pruinosa. Unpublished report
prepared for the U.S. Fish and Wildlife Service, Golden, CO.
- Anderson, J.L. and J.M. Porter. 1994. Astragalus tortipes (Fabaceae), a new species
from desert badlands in southwestern Colorado and its phylogenetic relationships
within Astragalus. Systematic Botany 19(1): 116-125.
- Arft, A.M. and T.A. Ranker. 1992. Population genetics and phylogenetic systematics
of the rare orchid Spiranthes diluvialis: implications for conservation. In: Proceedings
of the Southwestern Rare and Endangered Plants Conference, Santa Fe, NM.
- Argus, G.W. 1973. The genus Salix in Alaska and the Yukon. National Museum of Natural
Sciences Publications in Botany, No. 2. Ottawa, Canada.
- Atwood, D.N., J. Holland, R. Bolander, B. Franklin, D.E. House, L.
- Armstrong, K. Thorne, and L. England. 1991. Utah Threatened, Endangered, and Sensitive
Plant Field Guide. U.S. Forest Service Intermountain Region, National Park Service,
Bureau of Land Management, Utah Natural Heritage Program, U.S. Fish and Wildlife
Service, Environmental Protection Agency, Navajo Nation, and Skull Valley Goshute
Tribe.
- Baird, V.B. 1942. Wild Violets of North America. University of California Press,
Berkeley, CA.
- Barneby, R.C. 1947. A new monocephalous Parthenium. Leaflets of Western Botany 5:19-20.
- Barneby, R.C. 1964. Atlas of North American Astragalus. Memoirs New York Botanical
Garden Vol. 13, Bronx, NY.
- Barneby, R.C. and S.L. Welsh. 1985. New species of Astragalus (Leguminosae) from
southeastern Utah. Great Basin Naturalist 45(3):551-552.
- Barneby, R.C. 1989. Fabales, Vol. 3, Part B. Fables. In: A. Cronquist, A.H. Holmgren,
N.H. Holmgren, J.L. Reveal and P.K. Holmgren. Vascular Plants of the Intermountain
West, U.S.A. New York Botanical Garden, Bronx, NY.
- Benson. L. 1966. A revision of Sclerocactus. Cactus and Succulent Journal of America
38:54-55.
- Boissevain, C. and C. Davidson. 1940. Colorado Cacti: An Illustrated Guide Describing
All of the Native Colorado Cacti. Abbey Garden Press, Pasadena, CA.
- Brainerd, E. 1921. Violets of North America. Free Press Printing Company, Burlington,
VT.
- Braun, R.P. 1988. Inventory of Astragalus ripleyi on the Carson National Forest.
Unpublished report prepared for the U.S. Forest Service.
- Britton, N.L. 1901. Manual of the Flora of the Northern States and Canada. Henry
Holt and Co., New York, NY.
- Brown, G. 1995. Personal communication with the Colorado Natural Heritage Program
regarding Oönopsis puebloensis. University of Wyoming, Laramie, WY.
- Brunsfeld, S.J. and F.D. Johnson. 1985. Field Guide to the Willows of East-central
Idaho. Forest, Wildlife and Range Experiment Station. University of Idaho, Moscow,
ID.
- Buckner, D.L. and J.E. Bunin. 1992. Final report: 1990/91 status report for Penstemon
harringtonii. Unpublished report prepared for the Colorado Natural Areas Program,
Denver, CO by Esco Associates, Inc., Boulder, CO.
- Bunin, J.E. 1991a. Status report for Astragalus wetherilli. Unpublished report prepared
for the Colorado Natural Areas Program by Natural Science Association, Inc., Boulder,
CO.
- Bunin, J.E. 1991b. Status report for Lomatium concinnum. Unpublished report prepared
for the U.S. Fish and Wildlife Service, Golden, CO.
- Bureau of Land Management. 1990a. Colorado fish and wildlife 2000, a plan for the
decade.
- Bureau of Land Management. 1990b. Osterhout milkvetch inventory. Unpublished report
prepared by Western Resource Development, Boulder, CO.
- Bureau of Land Management. 1995. Endangered, Threatened and Sensitive Plant Field
Guide, Farmington District, New Mexico. Prepared by Ecosphere Environmental Services,
Inc., Farmington, NM.
- Burt, J. and S. Spackman. 1995. Status report for Phacelia submutica. Unpublished
report prepared for U.S. Fish and Wildlife Service, Golden, CO. by the Colorado
Natural Heritage Program, Fort Collins, CO.
- Caddis-Burrell, K. 1989. Letter to Colorado Program of The Nature Conservancy regarding
Penstemon cyathophorus.
- Carter, J.L. 1988. Trees and Shrubs of Colorado. Johnson Books, Boulder, CO.
- Cholewa, A.F. and D.M. Henderson. 1984. Biosystematics of Sisyrinchium section Bermudiana
(Iridaceae) of the Rocky Mountains. Brittonia 36:342-363.
- Coffin, B. and L. Pfannmuller. 1988. Minnesota’s Endangered Flora and Fauna. University
of Minnesota Press, St. Paul, MN.
- Coles, J. 1990. Status report for Mentzelia densa. Unpublished report prepared for
U.S. Fish and Wildlife Service, Golden, CO.
- Colorado Native Plant Society. 1989. Rare plants of Colorado. Colorado Native Plant
Society, in cooperation with the Rocky Mountain Nature Association, Estes Park,
CO.
- Colorado Natural Heritage Program. 1996. Rare and imperiled animals, plants, and
natural communities. Vol. 2(1). Fort Collins, CO.
- Cooper, D.J. 1990. Ecology of wetlands in Big Meadows, Rocky Mountain National Park,
Colorado. Biological report 90(15). Unpublished report prepared for the U.S. Fish
and Wildlife Service, Golden, CO.
- Coyner, J. 1990. Report for population study: Spiranthes diluvialis. University
of Utah, Salt Lake City, UT. Unpublished report prepared for the Colorado Natural
Areas Program, Denver, CO.
- Cronquist, A., A.H. Holmgren, N.H. Holmgren, J.L. Reveal and P.K. Holmgren. 1977.
Intermountain Flora Vascular Plants of the Intermountain West, U.S.A: Vol. 6. New
York Botanical Garden, Bronx, NY.
- Cronquist, A., A.H. Holmgren, N.H. Holmgren, J.L. Reveal, and P.K. Holmgren. 1984.
Intermountain Flora Vascular Plants of the Intermountain West, U.S.A: Vol. 4. New
York Botanical Garden, Bronx, NY.
- Cronquist, A., A.H. Holmgren, N.H. Holmgren, J.L. Reveal, P.K. Holmgren. 1994. Intermountain
Flora Vascular Plants of the Intermountain West, U.S.A: Vol. 5. New York Botanical
Garden, Bronx, NY.
- Cully, A.C. 1985. Status report on Atriplex pleiantha. Unpublished report prepared
for the U.S. Fish and Wildlife Service, Albuquerque, NM.
- Culver, D., M. March, S. Kettler, and C. Pague. 1996. Natural Heritage inventory
of significant animals and plants and classification of riparian plant associations;
Timpas grazing district and Kim grazing association. Unpublished report prepared
for the U.S. Forest Service, Pike and San Isabel National Forests by the Colorado
Natural Heritage Program, Fort Collins, CO.
- Dorn, R.D. 1975. A systematic study of Salix section Cordatae in North America.
Canadian Journal of Botany 53:1491-1522.
- Dorn, R.D. 1977. Willows of the Rocky Mountain states. Rhodora 79:390- 429.
- Dorn, R.D. 1982. A new species of Penstemon (Scrophulariaceae) from Wyoming. Brittonia
34(3):334-335.
- Dorn, R.D. 1990. Report on the status of Penstemon gibbensii, candidate threatened
species. Unpublished.
- Dorn, R.D. 1992. Vascular Plants of Wyoming. Mountain West Publishing, Cheyenne,
WY.
- Douglas, P. 1992. Vascular flora of the Conejos River Basin, San Juan Mountains,
Conejos County, Colorado. Colorado State University, Fort Collins, CO. Unpublished
thesis.
- England, J.L. 1982. A new species of Penstemon (Scophulariaceae) from the Unita
Basin of Utah and Colorado. Great Basin Naturalist 42(3):367-368.
- Fertig, W. 1993. Field Survey for Cleome multicaulis, Cymopterus williamsii, and
Sullivantia hapemanii in north central Wyoming. Unpublished report prepared for
the Bureau of Land Management, Casper, WY by Wyoming Natural Diversity Database,
Laramie, WY.
- Fertig, W. 1994a. Status report on Gaura neomexicana ssp. coloradensis, a candidate
threatened species. Unpublished report prepared for the U.S. Fish and Wildlife Service
by the Wyoming Natural Diversity Database, Laramie, WY.
- Fertig, W. 1994b. Wyoming Rare Plant Field Guide. The Wyoming Natural Diversity
Database, Laramie, WY.
- Fletcher, R., B. Isaacs, P. Knight, W. Martin, D. Sabo, R. Spellenberg, and T. Todsen.
1984. A Handbook of Rare and Endemic Plants of New Mexico. University of New Mexico
Press, Albuquerque, NM. Flora of North America Editorial Committee. 1993. Flora
of North America North of Mexico: Vol. 2. Oxford University Press, NY.
- Floyd, S. 1995. Survey for Gaura neomexicana ssp. coloradensis (Colorado butterfly
plant) on Meadow Springs Ranch. Unpublished report prepared for the City of Fort
Collins, CO. by the Colorado Natural Heritage Program, Fort Collins, CO.
- Foote, P.W. 1989. Germination studies in Atriplex pleiantha. Department of Agronomy
and Horticulture, Colorado State University, Ft. Collins, CO. Unpublished thesis.
- Galatowitsch, S. 1985. Plant Species of Special Concern for Colorado. Unpublished
report prepared for the Colorado Natural Areas Program, Denver, CO.
- Galatowitsch, S. and S.L. O’Kane. 1985. Plant species of special concern: Penstemon
grahamii. Unpublished report prepared for the Colorado Natural Areas Program, Denver,
CO.
- Gillett, J.M. 1957. A revision of the North American species of Gentianella. Annals
of the Missouri Botanical Garden 44:195-249.
- Goodrich, S. 1986. Utah Flora: Apiaceae. Great Basin Naturalist 46(1).
- Goodrich, S. and E. Neese. 1986. Uinta Basin Flora. U.S.D.A. Forest Service, Ogden,
UT.
- Graff, D. 1992. Status report for Cleome multicaulis on Blanca wetlands. Unpublished
report prepared for the Bureau of Land Management, Alamosa, CO.
- Graham, E.H. 1937. Botanical studies in the Uinta Basin of Utah and Colorado. Annals
of the Carnegie Museum 26:28-432.
- Grant, V. and D.H. Wilken. 1986. Taxonomy of the Ipomopsis aggregata group (Polemoniaceae).
Botanical Gazette Sept.:359-371.
- Great Plains Flora Association. 1986. Flora of the Great Plains. University Press
of Kansas, Lawrence, KS.
- Haber, E. 1987. Variability, distribution, and systematics of Pyrola picta (Ericaceae)
in western North America. Systematic Botany 12(2):324-335.
- Hall, H.M. 1928. The genus Haplopappus: a phylogenetic study in the Compositae.
Carnegie Institution of Washington, Washington D.C., Publication 389:391.
- Halse, R.R. 1981. Taxonomy of Phacelia sect. Miltitzia (Hydrophyllaceae). Madroño
28(3):121-132.
- Harrington, H.D. 1950. Colorado Ferns and Fern Allies. Colorado Agricultural Research
Foundation, Fort Collins, CO.
- Harrington, H.D. 1954. Manual of the Plants of Colorado. Sage Books, Denver, CO.
- Harris, J.G. 1985. A revision of the genus Braya (Cruciferae) in North America.
University of Alberta, Edmonton, Alberta, Canada. Unpublished dissertation.
- Hartman, R.L. 1992. Report on the status of Sisyrinchium pallidum, a candidate threatened
species. Unpublished.
- Hartman, R.L. 1994. Personal communication with Colorado Natural Heritage Program
regarding Aletes eastwoodiae.
- Haufler, C.H. and M.D. Windham. 1991. New Species of North American Cystopteris
and Polypodium, with comments on their reticulate relationships. American Fern Journal
81(1):7-23.
- Heil, K.D. 1984. Recovery plan for the Mesa Verde cactus; Sclerocactus mesae-verdae.
Unpublished report prepared for the U.S. Fish and Wildlife Service, Golden, CO.
- Heil, K.D. 1985. Knowlton cactus (Pediocactus knowltonii) recovery plan. Unpublished
report prepared for the U.S. Fish and Wildlife Service, Albuquerque, NM.
- Heil, K.D. and J.M. Porter. 1990. Status report for Astragalus microcymbus. Unpublished
report prepared for the U.S. Fish and Wildlife Service, Golden, CO.
- Hermann, F.J. 1970. Manual of the Carices of the Rocky Mountains and Colorado Basin.
U.S.D.A. Forest Service Agriculture Handbook No. 374.
- Hessl, A. and S. Spackman. 1995. Effects of Fire on Threatened and Endangered Plants:
An Annotated Bibliography. U.S. Fish and Wildlife Service, Washington, D.C.
- Higgins, L.C. 1971. A revision of Cryptantha subgenus oreocarya. Brigham Young University
Science Bulletin, 13:1-63.
- Hitchcock, C.L. 1941. A revision of the Drabas of Western North America. University
of Washington Publications in Biology 11:1-132.
- Hitchcock, C.L. and A. Cronquist. 1973. Flora of the Pacific Northwest. University
of Washington Press, Seattle, WA.
- Hitchcock, C.L., A. Cronquist, and M. Ownbey. 1969. Pt.1: Vascular Cryptogams, Gymnosperms,
and Monocotyledons. In: C.L.
- Hitchcock, A. Cronquist, M. Ownbey, and J.W. Thompson. Vascular Plants of the Pacific
Northwest. University of Washington Publications Biology 17(1).
- Hultén, E. 1968. Flora of Alaska and Neighboring Territories. Stanford University
Press, Stanford, CA.
- Iltis, H.H. 1958. Studies in the Capparidaceae-V. Capparids of New Mexico. The Southwestern
Naturalist 3:133-144.
- Jennings, W.F. 1988. The search for orchids. Colorado Native Plant Society. Aquilegia
12(4):7.
- Jennings, W.F. 1989. Final report for Eustoma grandiflorum, Spiranthes diluvialis,
Malaxis brachypoda, Hypoxis hirsuta, Physaria bellii, and Aletes humilis. Unpublished
report prepared for The Nature Conservancy, Boulder, CO.
- Jennings, W.F. 1990a. Final report for Spiranthes diluvialis and Sisyrinchium pallidum.
Unpublished report prepared for The Nature Conservancy, Boulder, CO.
- Jennings, W.F. 1990b. Status report on four plants considered rare in Colorado:
Aletes humilis, Platanthera sparsiflora, Listera borealis, and Listera convallarioides.
Unpublished report prepared for the U.S. Forest Service.
- Jennings, W.F. 1991. Status report on four plants considered rare in Colorado: Cypripedium
fasiculatum, Lilium philadelphicum, Pyrola picta, and Goodyera repens. Unpublished
report prepared for U.S. Forest Service.
- Johnston, B.C. 1979. Status information for Astragalus microcymbus and Cryptantha
aperta. U.S. Forest Service Summary Sheet.
- Johnston, B.C. 1980. Studies of population variability leading to a new classification
of Potentilla sect. Multijugae (Rosaceae). University of Colorado, Boulder, CO.
Unpublished thesis.
- Johnston, B.C. and L. Hendzel. 1981. Revision of status report on Ptilagrostis porteri.
Unpublished report prepared for the U.S. Fish and Wildlife Service, Golden, CO.
- Johnston, B.C., J.S. Peterson and W. Harmon. 1981a. Status report for Eriogonum
brandegei. Unpublished report prepared for U.S. Fish and Wildlife Service, Golden,
CO.
- Johnston, B.C., J.S. Peterson and W. Harmon. 1981b. Status report for Ipomopsis
globularis. Unpublished report prepared for U.S. Fish and Wildlife Service, Golden,
CO.
- Kartesz, J.T. 1994. A Synonymized Checklist of the Vascular Flora of the United
States, Canada, and Greenland (second edition). Timber Press, Inc., Portland, OR.
- Keck, D.D. 1938. Studies in Penstemon VI sect. Aurator. Bulletin of the Torrey Botanical
Club 65:233-255.
- Kelso, S., K. Heckmann, J. Lawton, and G. Maentz. 1995. The ecology and distribution
of Oxybaphus rotundifolius and Penstemon versicolor: geobotany and endemism in the
Arkansas Valley, CO. Unpublished report prepared for the Colorado Natural Areas
Program, Denver, CO. and Colorado Native Plant Society.
- Kettler, S.M., N.D. Lederer, D. Bacher, and S. Spackman. 1993. Pike and San Isabel
National Forest and Comanche and Cimarron National Grasslands Plants of Special
Concern. Unpublished report prepared for the U.S. Forest Service.
- Knight, P.J. 1981a. Rare, threatened, endangered and other plants of concern to
the Bureau of Land Management. Unpublished report.
- Knight, P.J. 1981b. Status report for Astragalus humillimus. Unpublished report
prepared for the New Mexico Department of Natural Resources Heritage Program, Santa
Fe, NM.
- Knight, P.J. 1981c. Status report for Sclerocactus mesae-verdae. Unpublished report
prepared for the New Mexico Department of Natural Resources Heritage Program, Santa
Fe, NM.
- Knight, P.J. 1989. Mancos milkvetch recovery plan. Unpublished report prepared for
the U.S. Fish and Wildlife Service, Albuquerque, NM.
- Larson, G.E. 1993. Aquatic and wetland vascular plants of the northern Great Plains.
General Technical Report RM-238. U.S. Forest Service, Rocky Mountain Forest and
Range Experiment Station, Fort Collins, CO.
- Lawrence, S. 1993. Endangered species petition for Astragalus microcymbus. Unpublished
report prepared for the U.S. Fish and Wildlife Service, Washington, D.C.
- Lefebvre, C. 1969. Self fertility in maritime and zinc mine populations of Armeria
maritima. Evolution 24:571-577.
- Lellinger, D.B. 1985. A Field Manual of the Ferns and Fern-allies of the United
States and Canada. Smithsonian Institution Press, Washington D.C.
- Linhart, Y.B. and A.C. Premoli. 1993. Genetic variation in Aletes acaulis and its
relative, the narrow endemic A. humilis (Apiaceae). American Journal of Botany 80(5):598-605.
- Locklear, J.H. 1989. Status of Ambrosia linearis in Colorado. Unpublished report
prepared for the U.S. Fish and Wildlife Service, Golden, CO.
- Locklear, J.H. 1990. A Colorado specialty: Ambrosia linearis. Colorado Native Plant
Society. Aquilegia 14(5):10.
- Locklear, J.H. 1991. Status of Asclepias uncialis in eastern Colorado and northeastern
New Mexico. Unpublished report prepared for The Nature Conservancy Colorado Field
Office, Boulder, CO.
- Locklear, J.H. 1996. The biology, ecology, and conservation needs of Asclepias uncialis
in Colorado. Unpublished report prepared for the Colorado Natural Areas Program,
Denver, CO.
- Mackenzie, K.K. 1940. North American Cariceae, Vol.II. The New York Botanical Garden,
Bronx, NY.
- McArthur, G.R. 1980. Special plant element abstract: Rorippa coloradensis. Unpublished
report prepared for the Colorado Natural Areas Program, Denver, CO.
- Munz, P.A. 1946. Aquilegia chrysantha var. rydbergii and A. micrantha var. mancosana.
In: Aquilegia: the wild and cultivated columbines. Gentes Herbarum 7:136-137;128.
- Munz, P.A. and D.D. Keck. 1959. A California Flora. University of California Press,
Berkeley, CA.
- Naumann, T.S. 1988. Revised status report for Eutrema penlandii. Unpublished report
prepared for U.S. Fish and Wildlife, Golden, CO.
- Naumann, T.S. 1990a. Inventory of plant species of special concern and the general
flora of Dinosaur National Monument 1987-1989. Unpublished report prepared for the
National Park Service, Denver, CO.
- Naumann, T.S. 1990b. Status report for Astragalus ripleyi. Unpublished report prepared
for U.S. Fish and Wildlife Service, Golden, CO.
- Naumann, T.S. 1990c. Status report for Oxybaphus rotundifolius. Unpublished report
prepared for U.S. Fish and Wildlife, Golden, CO.
- Naumann, T.S. 1991. Status report for Frasera coloradensis. Unpublished report prepared
for U.S. Fish and Wildlife, Golden, CO.
- Neely, E.E. 1987. Astragalus humillimus inventory. Unpublished report prepared for
the Colorado Natural Areas Program, Denver, CO.
- Neese, E.C. 1986. New taxa and nomenclatural changes in Utah Penstemon (Scrophulariaceae).
Great Basin Naturalist 46(3):459-460.
- Nelson, A. 1902. Chenopodium cycloides. In: Contributions from the Rocky Mountain
Herbarium IV. Botanical Gazette 34:363.
- O’Kane, S.L. 1986. Endangered Species Information System Species Workbook Part VII.
Unpublished report for the U.S. Fish and Wildlife Service, Golden, CO.
- O’Kane, S.L. 1987a. Status report for Phacelia submutica. Unpublished report prepared
for U.S. Fish and Wildlife Service, Golden, CO.
- O’Kane, S.L. 1987b. Status report for Physaria obcordata. Unpublished report prepared
for U.S. Fish and Wildlife Service, Golden, CO.
- O’Kane, S.L. 1987c. Status report for Thalictrum heliophilum. Unpublished report
prepared for U.S. Fish and Wildlife Service, Golden, CO.
- O’Kane, S.L. 1988. Colorado’s rare flora. Great Basin Naturalist 48(4):434- 484.
- O’Kane, S.L. 1990. A new species of Erigeron (Asteraceae: Astereae) from Colorado.
Madroño 37(3):184-189.
- O’Kane, S.L. and J.L. Anderson. 1987. Penstemon debilis (Scrophulariaceae): a new
species from Colorado endemic to oil shale. Brittonia 39(4):412-416.
- O’Kane, S.L., D.H. Wilken, and R.L. Hartman. 1988. Noteworthy Collections. Madroño
35(1):72-74.
- Olwell, P. 1986. The Knowlton cactus. Audubon Wildlife Report, National Audubon
Society: 943-949.
- Olwell, P. and A. Schull. 1985. Endangered and threatened wildlife and plants; final
rule to determine Astragalus humillimus to be endangered. Federal Register 50(124):26568-26572.
- Osterhout, G. 1928. Astragalus linifolius. Bulletin of the Torrey Botanical Club
55:75.
- Pavlick, L.E. and J. Looman. 1984. Taxonomy and nomenclature of rough fescues, Festuca
altaica, F. campestris, and F. hallii, in Canada and the adjacent United States.
Canadian Journal of Botany 62(8):1739-1749.
- Payson, E.B. 1915. New and noteworthy plants from southwestern Colorado. Botanical
Gazette 60:374-376.
- Payson, E.B. 1922. Species of Sisymbrium native to America north of Mexico. University
of Wyoming Publications in Science, Botany 1(1):1-27.
- Penland, C.W.T. 1958. Two new species of Penstemon in Colorado. Madroño 14:153-160.
- Pennell, F.W. 1920. Scrophulariaceae of the central Rocky Mountain States. Contributions
from the National Herbarium 20:313-381.
- Peterson, J.S. 1981a. Status report on Astragalus deterior. Unpublished report prepared
for U.S. Fish and Wildlife Service, Golden, CO.
- Peterson, J.S. 1981b. Status report on Astragalus schmolliae. Unpublished report
prepared for U.S. Fish and Wildlife Service, Golden, CO.
- Peterson, J.S. 1981c. Status report on Gilia pentstemonoides. Unpublished report
prepared for U.S. Fish and Wildlife Service, Golden, CO.
- Peterson, J.S. 1982. Threatened and endangered plants of Colorado. Unpublished report
prepared for the U.S. Fish and Wildlife Service, Golden, CO.
- Peterson, J.S. 1983a. Field inventory of selected areas of CO (Vol. II) plant species
of special concern. Unpublished report prepared for the Colorado Natural Areas Program,
Denver, CO.
- Peterson, J.S. 1983b. Status report for Lupinus crassus. Unpublished report prepared
for the Colorado Natural Areas Program, Denver, CO.
- Peterson, J.S. 1983c. Status report of Mimulus gemmiparus. Unpublished report prepared
for U.S. Fish and Wildlife Service, Golden, CO.
- Peterson, J.S. 1983d. Status report on Parthenium tetraneuris. Unpublished report
prepared for the Colorado Natural Areas Program, Denver, CO.
- Peterson, J.S. and W.L. Baker. 1982. Inventory of the Piceance Basin, Colorado:
threatened and endangered plants, plant associations, and the general flora. Unpublished
report prepared for the Bureau of Land Management, Craig, CO.
- Peterson, J.S. and W. Harmon. 1981a. Status report for Astragalus naturitensis.
Unpublished report for U.S. Fish and Wildlife Service, Golden, CO.
- Peterson, J.S. and W. Harmon. 1981b. Status report on Penstemon degeneri. Unpublished
report prepared for the Colorado Natural Areas Program, Denver, CO.
- Peterson, J.S. and W. Harmon. 1981c. Status report for Physaria bellii. Unpublished
report prepared for U.S. Fish and Wildlife Service, Golden, CO.
- Peterson, J.S., W. Harmon, and J.C. Kennison. 1981. Status report on Saussurea weberi.
Unpublished report prepared for the U.S. Fish and Wildlife Service, Golden, CO.
- Peterson, J.S, B.C. Johnston, and W. Harmon. 1981a. Status report on Neoparrya lithophila.
Unpublished report prepared for the U.S. Fish and Wildlife Service, Golden, CO.
- Peterson, J.S., B.C. Johnston, and W. Harmon. 1981b. Status report on Penstemon
retrorsus. Unpublished report for the U.S. Fish and Wildlife Service, Golden, CO.
- Peterson, J.S. and K.L. Wiley-Eberle. 1986. Phacelia formosula recovery plan. Unpublished
report prepared for U.S. Fish and Wildlife Service, Golden, CO.
- Phillips, B.G. 1988. Status Report Asplenium adiantum-nigrum. Unpublished report
prepared for the U.S. Fish and Wildlife Service, Albuquerque, NM.
- Price, R. 1985. Locality information for Draba (Brassicaceae) in Colorado. Unpublished
report prepared for the Colorado Natural Areas Program, Denver, CO.
- Reveal, J.L. 1969. A revision of the genus Eriogonum (Polygonacae). Brigham Young
University, Provo, UT. Unpublished dissertation.
- Reveal, J.L. 1973. A new subfruticose Eriogonum (Polygonaceae) from western Colorado.
Great Basin Naturalist 33:120-122.
- Reveal, J.L. 1981. Notes on endangered buckwheats (Eriogonum: Polygonaceae) with
three newly described from the western United States. Brittonia 33(3):441-448.
- Rollins, R.C. 1982. A new species of Asiatic Genus Stroganouia (Cruciferae) from
North America and its biogeographic implications. Systematic Botany 7(2):214-220.
- Rollins, R.C. 1993. The Cruciferae of Continental North America, Systematics of
the Mustard Family from the Arctic to Panama. Stanford University Press, Stanford,
CA.
- Rouse, L. 1981. Element stewardship abstract for Lesquerella pruinosa. Unpublished
report prepared for The Nature Conservancy, Colorado Field Office, Boulder, CO.
- Rydberg, P.A. 1902. Aquilegia chrysantha var. rydbergii. In: Studies on the Rocky
Mountain Flora. Bulletin of the Torrey Botanical Club 29:145-160, 232-246, 680-693.
- Rydberg, P.A. 1905. Ambrosia linearis. In: Studies on the Rocky Mountain Flora XIV.
Bulletin of the Torrey Botanical Club 32(3):123-138.
- Rydberg, P.A. 1906. Flora of Colorado. Bulletin 100. Colorado Agricultural Experiment
Station, Ft. Collins, CO.
- Rydberg, P.A. 1913. Mimulus eastwoodiae. In: Studies on the Rocky Mountain Flora.
Bulletin of the Torrey Botanical Club, 40:483- 484.
- Scheck, C. 1994. Special status plants handbook Glenwood Springs Resource Area.
Unpublished report prepared for the Bureau of Land Management, Glenwood Springs,
CO.
- Schulz K.A. and R. B. Shaw. 1992. Status of Haploppapus fremontii ssp. monocephalus
(Asteraceae) in Colorado. Prairie Naturalist 24(3):143-148.
- Schwendinger, R.B., G.K. Carlson, and C.O. Spielman. 1991. Status report of Eutrema
penlandii as a result of field investigations in Park, Summit, Gunnison, Chaffee,
and Clear Creek counties. Unpublished report prepared for the U.S. Fish and Wildlife
Service, Golden, CO.
- Sheviak, C.J. 1984. Spiranthes diluvialis (Orchidaceae), a new species from the
western United States. Brittonia 36:8-14.
- Sheviak, C.J. 1984. Cypripedium parviflorum Salib. American Orchid Society Bulletin
Vol. 64:607-612.
- Shinners, L.H. 1957. Synopsis of the genus Eustoma (Gentianaceae). The Southwestern
Naturalist 2(1):38-43.
- Siems, B.A. and E.E. Neely. 1990. Braya glabella var. glabella (Brassicaceae) in
Colorado. Madroño 37(2):145-146.
- Spackman, S., M. Duff, and S. Floyd. 1996. Fourteeners Initiative rare plant survey
report. Unpublished report prepared for the U.S. Forest Service, Leadville Ranger
District, CO.
- Spinks, J. 1991. Clay-loving wild buckwheat recovery plan. Unpublished report prepared
for the U.S. Fish and Wildlife Service.
- Standley, P.C. 1909. The Allioniaceae of the United States with notes on Mexican
species. Contributions from the U.S. National Herbarium 12:303-389.
- Stuckey, R.L. 1972. Taxonomy and distribution of the genus Rorippa (Cruciferae)
in North America. Sida 4:279-430.
- Stutz, H.C., G. Chu, and S.C. Sanderson. 1990. Evolutionary studies of Atriplex:
phylogenetic relationships of Atriplex pleiantha. American Journal of Botany 77(3):364-369.
- U.S.D.A. Forest Service. 1994. Forest Service Manual, Title 2600-Wildlife, Fish
and Sensitive Plant Habitat Management; Region 2 Supplement 2600-94-2, Section 2672.11a,
Exhibit 1.
- U.S. Fish and Wildlife Service. 1989. Endangered and threatened wildlife and plants;
final rule to determine Astragalus osterhoutii and Penstemon penlandii to be endangered
species. Federal Register 54 (133):29658-29663.
- U.S. Fish and Wildlife Service. 1990. Endangered and threatened wildlife and plants;
determination of threatened status for Lesquerella congesta and Physaria obcordata.
Federal Register 55 (25):4152- 4156.
- U.S. Fish and Wildlife Service. 1991. Astragalus osterhoutii and Penstemon penlandii
recovery plan. Denver, CO.
- U.S. Fish and Wildlife Service. 1992. Physaria obcordata and Lesquerella congesta
draft recovery plan. Denver, CO.
- U.S. Fish and Wildlife Service. 1993a. Endangered and threatened wildlife and plants.
50 CFR 17.11 & 17.12. U.S. Government Printing Office, Washington, D.C. 40 pp.
- U.S. Fish and Wildlife Service. 1993b. Endangered and threatened wildlife and plants;
review of plant taxa for listing as endangered or threatened species. Federal Register
58(188):51144-51190.
- U.S. Fish and Wildlife Service. 1996. Endangered and threatened wildlife and plants;
review of plant and animal taxa that are candidates for listing as endangered or
threatened species. Federal Register 61(40):7596-7613.
- U.S. Fish and Wildlife Service and U.S. Forest Service. 1979. Proposed and Recommended
Threatened and Endangered Plant Species of the Forest Service Rocky Mountain Region.
- Viereck, L.A. and E.L. Little. 1972. Alaska Trees and Shrubs. U.S.D.A. Forest Service
Agriculture Handbook No. 410.
- Wagner W.H. and F.S. Wagner. 1983. Two moonworts of the Rocky Mountains; Botrychium
hesperium and a new species formerly confused with it. American Fern Journal 73(2):53-62.
- Wagner, W.H. and F.S. Wagner. 1986. Three new species of moonworts endemic to western
North America. American Fern Journal 76:33- 47.
- Wagner, W.H. and F.S. Wagner. 1990. Notes on the fan leaflet group of moonworts
in North America with descriptions of two new members. American Fern Journal 80(3):73-81.
- Wagner, W.H. and F.S. Wagner. 1994. Another widely disjunct, rare and local North
American moonwort (Ophioglossaceae: Botrychium subg. Botrychium). American Fern
Journal 84(1):5-10.
- Wagner, W.L. 1981. Oenothera acutissima (Onagraceae); a new species from northwestern
Colorado and adjacent Utah. Systematic Botany 6(2):153-158.
- Wagner, W.L. 1983. New species and combinations in the genus Oenothera (Onagraceae).
Annals of the Missouri Botanical Garden 70:194.
- Wagner, W.L. and S.W. Mill. 1984. Oenothera kleinii (Onagraceae), a new species
from southcentral Colorado. Systematic Botany 9(1):50- 52.
- Wagner, W.L., R.E. Stockhouse and W.M. Klein. 1985. The systematics and evolution
of the Oenothera caespitosa species complex (Onagraceae). Monographs in Systematic
Botany, Missouri Botanical Garden 12:1-103.
- Warren, K.D. 1990. A comparative study of the reproductive biology of a rare and
a common Phacelia species. Colorado State University. Unpublished thesis.
- Weber, W.A. 1950. A new species and subgenus of Atriplex from southwestern Colorado.
Madroño 10(6):187-191.
- Weber, W.A. 1952. Phippsia algida in the United States. Rhodora 54:141- 145.
- Weber, W.A. 1961. Additions to the flora of Colorado III. University of Colorado
Studies Series in Biology 7:1-26.
- Weber, W.A. 1972. Mimulus gemmiparus sp. nov. from Colorado. Madroño 21(6):423-425.
- Weber, W.A. 1976. Rocky Mountain Flora (fifth edition). Colorado Associated University
Press, Boulder, CO.
- Weber, W.A. and R.C. Wittmann. 1983. Additions to the Flora of Colorado—IX. Phytologia
53(3):191-193.
- Weber, W.A. and R.C. Wittmann. 1992. Catalog of The Colorado Flora: A Biodiversity
Baseline. University Press of Colorado, Niwot, CO.
- Weber, W.A. and R.C. Wittman. 1996. Colorado Flora: Eastern Slope. University Press
of Colorado, Niwot, CO.
- Weber, W.A. and R.C. Wittman. 1996. Colorado Flora: Western Slope. University Press
of Colorado, Niwot, CO.
- Welsh, S.L. 1974. Anderson’s Flora of Alaska and Adjacent Canada. Brigham Young
University Press, Provo, UT.
- Welsh, S.L. 1979. Status report for Mentzelia argillosa. Unpublished report prepared
for U.S. Fish and Wildlife Service, Golden, CO.
- Welsh, S.L. 1982. New taxa of thistles (Cirsium, Asteraceae) in Utah. Great Basin
Naturalist 42:199-202.
- Welsh, S.L. 1985. A new species of Astragalus (Leguminosae) from Mesa County Colorado.
Great Basin Naturalist 45(1):31-33.
- Welsh, S.L. 1986. New taxa and combinations in the Utah flora. Great Basin Naturalist
46(2):254-260.
- Welsh, S.L, N.D. Atwood, S. Goodrich, and L.C. Higgins. 1993. A Utah Flora, second
edition, revised. Brigham Young University, Provo, UT.
- Wiley-Eberle, K.L. 1979. Status report for Phacelia formosula. Unpublished report
prepared for the Bureau of Land Management.
- Wiley-Eberle, K.L. 1980. Threatened and endangered plant species: habitat classification,
descriptions, and associated plant species. Unpublished report prepared for the
Bureau of Land Management, Craig, CO.
- Wilken, D.H. and K. DeMott. 1983. A new species of Thalictrum (Ranunculaceae) from
western Colorado. Brittonia 35(2):156-158.
- Wooten, E.O. and P.C. Standley. 1913. Descriptions of new plants preliminary to
a report upon the flora of New Mexico. Contributions from the U.S. National Herbarium
16:109-196.
- Zwinger, A.H. and B.E. Willard. 1972. Land Above the Trees: A Guide to American
Alpine Tundra. University of Arizona Press, Tucson, AZ.
-
We’ve added 31 new species profiles (May 2017)! New profiles can be viewed by clicking on the species name on the
Master List page.
-
Your contribution, no matter how small, will help us update the remaining profiles and add the
rest of our tracked species. Click here
to support us, and indicate under “Comments” that your gift is to support the rare plant guide.