Campbell, G. 2022. How to identify plants. Live zoom workshop (April 4th). Oregon Native Plant Society Portland Chapter.
Campbell, G. 2022. How to identify plants. In-person workshop at Hoyt Arboretum (April 5th). Oregon Native Plant Society Portland Chapter.
Campbell, G, K. Freitag, EO Jr Guerrant. 2022. Seed banks: what they are and why they are important. Environmental Association of Environmental Science Students Science Seminar Presentation, Portland State University. Portland, Oregon.
Guerrant, EO Jr. 2016. A tool for prioritizing BLM Sensitive and Strategic Species for Ex Situ SeedCollection Unpublished report prepared for Oregon and Washington State Office of the Bureau of Land Management under Cooperative Agreement L11AC20305 (with modifications) 16 pages. Appendix, 35 pages: (plus four large excel spreadsheets 1. Valuing geographic distribution 2015 BLM SSS; 2. Spp and Pops OR and WA EO RSBSB colls 2015 BLM SSS; Status and Ranks BLM 2015 SSS; Summary priority values and ranking 2015 BLM SSS, which includes Appendix 1 as a worksheet)
Guerrant, EO Jr. 2016. An Approach for Prioritizing 636 BLM ORWA Special Status Species. A users guide to using the tool for prioritizing BLM Sensitive and Strategic Species for Ex Situ Seed Collection. 10 pages
Guerrant, EO Jr. 2016. Demography and augmentation of a small naturally occurring western lily (Lilium occidentale) population. Unpublished report prepared for the Coos Bay District of the USDI Bureau of Land Management. 21 pages.
Guerrant, EO Jr. 2015. Experimental reintroduction of western lily (Lilium occidentale at the New River ACEC: 1996 through 2014. Unpublished report Prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR. 119 pages.
Guerrant, EO Jr. 2015. Augmentation of a naturally occurring Arabis hastatula population: Interim Report. Unpublished technical report prepared for USDA Forest Service, Sweet Home Ranger District, Willamette National Forest under the agreement FS #12-CR-11061800-043, Mod 1, Restoring Arabis hastatula at Iron Mountain with Portland State University. 6 pages
Guerrant, EO Jr. 2015. Demography and augmentation of a small naturally occurring western lily (Lilium occidentale) population. Unpublished report prepared for the Coos Bay District of the USDI Bureau of Land Management. 26 pages.
Guerrant, EO Jr, PLFiedler, K Havens, P Vitt, DA Falk, and K Dixon. 2015. Population Structure Integral to Seed Collection Guidelines: A Response to Hoban and Schlarbaum (2014). Biological Conservation. 184: 465-466.
Guerrant, EO Jr. 2014. Experimental reintroduction of western lily (Lilium occidentale at the New River ACEC: 1996 through 2013. Unpublished report Prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR. 117 pages.
Guerrant, EO Jr. 2014. Demography and augmentation of a small naturally occurring western lily (Lilium occidentale) population. Unpublished report prepared for the Coos Bay District of the USDI Bureau of Land Management. 25 pages.
Guerrant, EO Jr, K. Havens, and P. Vitt. 2014. Sampling for Effective Ex Situ Plant Conservation. International Journal of Plant Sciences. 175 (1): 11 - 20.
Havens,K., A.T. Kramer, and E. O. Guerrant Jr. 2014. Getting Plant Conservation Right (Or Not): The Case of the United States. International Journal of Plant Sciences. 175 (1): 3 - 10.
Guerrant, EO Jr. 2013. Experimental reintroduction of western lily (Lilium occidentale at the New River ACEC: 1996 through 2012. Unpublished report Prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR. 105 pages.
Guerrant, EO Jr. 2013. The Value and Propriety of Reintroduction as a Conservation Tool for Rare Plants. Botany (formerly Canadian Journal of Botany) 91: v–x. dx.doi.org/10.1139/cjb-2012-0239.
Guerrant, EO Jr. 2012. Demography and augmentation of a small naturally occurring western lily (Lilium occidentale) population. Unpublished report prepared for the Coos Bay District of the USDI Bureau of Land Management. 21 pages.
Guerrant, EO Jr. 2012. Characterizing Two Decades of Rare Plant Reintroductions. Chapter 2. Pages 9–29. In. Maschinski, J and KE Haskins (eds.) Plant Reintroduction in a Changing Climate: Promises and Perils. Island Press, Washington, DC.
Kennedy, K, M Albrecht, M, EO Jr. Guerrant, S Dalrymple, J. Maschinski, and KE Haskins. 2012. Synthesis and Future Directions. Chapter 15. Pages 265-275. In. Maschinski, J and KE Haskins (eds.) Plant Reintroduction in a Changing Climate: Promises and Perils. Island Press, Washington, DC.
Guerrant, EO Jr., M. Albrecht, and S. Dalrymple. 2012. Studies Used for Meta-Analylses. Appendix 2. Pages 307-317 In. Maschinski, J and KE Haskins (eds.) Managing Eden: Plant Reintroduction’s Promises, Perils. Island Press, Washington, DC.
Guerrant, EO Jr. 2011. Berry Botanic Garden Seed Banking and Related Conservation Activities in 2011 on BLM Sensitive Species, and other taxa on BLM Lands. Unpublished technical report prepared for the USDI Bureau of Land Management, OR/WA State Office. 19 pages
Guerrant, EO Jr. 2011. Experimental reintroduction of western lily (Lilium occidentale) at the New River ACEC: 1996 through 2011. Unpublished report Prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR. 101 pages.
Guerrant, EO Jr., 2011 Reintroduction of Andrew’s Bead Lily Lily (Clintonia andrewsiana): Germination and Propagation. Unpublished technical report submitted to the USDA Forest Service Rogue River-Siskiyou National Forest Gold Beach Ranger District. 9 pages
Guerrant, EO Jr. 2011. Demography and augmentation of a small naturally occurring western lily (Lilium occidentale) population. Unpublished report prepared for the Coos Bay District of the USDI Bureau of Land Management. 19 pages.
Guerrant, EO Jr. 2011. Berry Botanic Garden Seed Banking and Related Conservation Activities in 2010 on BLM Sensitive Species, and other taxa on BLM Lands. Unpublished technical report prepared for the USDI Bureau of Land Management, OR/WA State Office. 22 pages.
Guerrant, EO Jr. 2011 Monitoring Nelson’s checker-mallow (Sidalcea nelsoniana) at Walker Flat: 1997, 1998, 2003, 2006 and 2010. Unpublished technical report to be submitted to the USDI Bureau of Land Management, Salem District. 30 pages.
Guerrant, EO Jr. 2011. Berry Botanic Garden Seed Banking and Related Conservation Activities in 2010 on BLM Sensitive Species, and other taxa on BLM Lands. Unpublished technical report prepared for the USDI Bureau of Land Management, OR/WA State Office. 22 pages.
Guerrant, EO Jr. 2011. Experimental reintroduction of western lily (Lilium occidentale at the New River ACEC: 1996 through 2010. Unpublished report Prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR. 99 pages.
Albrecht, M, EO Jr. Guerrant, J Maschinski, and K Kennedy. 2011. (Editorial) A long term view of rare plant reintroduction. A response to Godefroid et al. 2011: How successful are plant reintroductions? Biological Conservation. 144(11):2557-2558.
Guerrant, EO Jr. 2010. A reintroduction plan for Mirabilis macfarlanei, and results of seed germination and plant propagation trials. Unpublished report submitted to Wallowa-Whitman NF, and to La Grande Field Office, USFWS. 20 pages.
Guerrant, EO Jr. 2010. Results of Germination Tests, and Early Propagation of Delphinium leucophaeum seeds collected from a small remnant population adjacent to Herman Road: Initial Report on Task 4. Unpublished report submitted to The Tualatin Development Commission. 6 pages.
Guerrant, EO Jr. 2010. Experimental reintroduction of western lily (Lilium occidentale) at the New River ACEC: 1996 through 2009. Unpublished report Prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR. 95 pages.
Guerrant, EO Jr. 2010. Demography and augmentation of a small naturally occurring western lily (Lilium occidentale) population. Unpublished report prepared for the Coos Bay District of the USDI Bureau of Land Management. 18 pages.
Guerrant, EO Jr., and TN Kaye. 2007. Reintroduction of rare and endangered plants: Common factors, questions, and approaches. Australian Journal of Botany. 55(3) 362–370.
Guerrant, EO Jr. 2009. Germination and seed storage studies of 26 native plant populations of 19 taxa for possible use is restoring public lands in the Intermountain West: Summary interim results after four years in storage. Unpublished technical report prepared for the Center for Plant Conservation and the USDI Bureau of Land Management, National Office. 84 pages.
Guerrant, EO Jr. 2009. Reintroduction (Augmentation) of Koehler’s rockcress (Arabis koehleri var. koehleri) at the BLM North Bank Habitat Management Area: Survival and Growth of 2001 and 2007 Outplantings through 2008. Unpublished report Prepared for the USDI Bureau of Land Management, Roseburg District, Roseburg, OR. 54 pages.
Guerrant, EO Jr. 2009. Experimental reintroduction of western lily (Lilium occidentale at the New River ACEC: 1996 through 2008. Unpublished report Prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR. 95 pages.
Guerrant, EO Jr. 2009. Demography and augmentation of a small naturally occurring western lily (Lilium occidentale) population. Unpublished report prepared for the Coos Bay District of the USDI Bureau of Land Management. 14 pages.
Guerrant, EO Jr. 2008. A Genetic Management Plan for the Endangered Western Lily (Lilium occidentale) Unpublished report prepared for the US Fish and Wildlife Service, Arcata Field Office. 23 pages.
Guerrant EO Jr, and A Raven. 2008. Peck’s penstemon (Penstemon peckii) off-site seed storage, and soil seed bank longevity study over a period of 15 years.. Unpublished report submitted to the US Forest Service, Sisters Ranger District, Deschutes National Forest. Sisters, OR. 13 pages.
Guerrant, EO Jr. 2008. Reintroduction (Augmentation) of Koehler’s rockcress (Arabis koehleri var. koehleri) at the BLM North Bank Habitat Management Area: Survival and Growth During the First Six Years After Planting (2001 through 2007) Unpublished report Prepared for the USDI Bureau of Land Management, Roseburg District, Roseburg, OR. 48 pages.
Guerrant, EO Jr. 2008. Experimental reintroduction of western lily (Lilium occidentale at the New River ACEC: Results of the first eleven years of growth. Unpublished report Prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR. 88 pages.
Havens, K, P Vitt, M Maunder, EO Guerrant Jr., and K Dixon. 2006. Ex Situ Plant Conservation and Beyond. BioScience 56(6):525-531.
Pence, VC, EO Guerrant Jr., and AN Raven. 2006. Cytokinin Stimulation of Seed Germination in Rorippa subumbellata Rollins. Seed Science and Technology. 34:241-245.
Guerrant, EO Jr. 2006. Germination and seed storage studies of 26 native plant populations of 19 taxa for possible use in restoring public lands in the Intermountain West. Unpublished technical report prepared for the Center for Plant Conservation and the USDI Bureau of Land Management, National Office. 165 pages.
Guerrant, EO Jr. 2006. Experimental reintroduction of western lily (Lilium occidentale)at the New River ACEC: Results of the first nine years of growth. Unpublished report prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR. 79 pages.
Guerrant, EO Jr. 2005. Experimental reintroduction of western lily (Lilium occidentale) at the New River ACEC: Results of the first eight years of growth. Unpublished report prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR 75 pages.
Guerrant, EO Jr. 2004 Monitoring Nelson’s checker-mallow (Sidalcea nelsoniana) at Walker Flat, Neverstill and South McGuire: 1997, 1998 and 2003. Unpublished technical report submitted to the USDI Bureau of Land Management, Salem District. 67 pages.
Guerrant, EO Jr. 2004. Reintroduction (Augmentation) of Koehler’s rockcress (Arabis koehleri var. koehleri) at the BLM North Bank Habitat Management Area: Survival and Growth During the TwoYears After Planting. Unpublished report Prepared for the USDI Bureau of Land Management, Roseburg District, Roseburg, OR. 32 pages
Guerrant, EO Jr. 2004. Experimental reintroduction of western lily (Lilium occidentale at the New River ACEC: Results of the first seven years of growth. Unpublished report Prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR. 75 pgs.
Guerrant, EO Jr. (2004) Book Review. Seed Conservation: Turning Science into Practice. [Edited by RD Smith, JB Dickie, SH Linington, HW Pritchard and RJ Probert. Royal Botanic Gardens, Kew, UK. xxiv +1023 pp.] Seed Science Research. Volume 14 (4): 395-397.
Havens K, EO Guerrant, Jr., P Vitt, and M Maunder. (2004) Conservation Research at Botanic Gardens and Arboreta. The Public Garden 19(3):40-43.
Maunder M, K Havens, and EO Guerrant, Jr. (2004). Ex Situ Plant Conservation: Out of the Garden and into the World. The Public Garden. 19(3): 8-11 +37
Guerrant, EO Jr., K Havens, and M Maunder (eds.) 2004. Ex Situ Plant Conservation: Supporting Species Survival in the Wild. Island Press. Covelo. 504 pages.
Guerrant, EO Jr., and PL Fiedler 2004. Accounting for Sample Decline During Ex Situ Storage and Reintroduction. Pages 365-385 In Guerrant, EO Jr, K Havens, and M Maunder (eds.) Ex Situ Plant Conservation: Supporting Species Survival in the Wild. Island Press. Covelo.
Guerrant, EO Jr., PL Fiedler, K. Havens and M Maunder. 2004. Revised Genetic Sampling Guidelines for Conservation Collections of Rare and Endangered Plants. Pages 419-442 In Guerrant, EO Jr, K Havens, and M Maunder (eds.) Ex Situ Plant Conservation: Supporting Species Survival in the Wild. Island Press. Covelo.
Havens, K, EO Guerrant Jr, M. Maunder and P Vitt. 2004. Guidelines for ex situ conservation collection management: Minimizing risks. Pages 455-474. In Guerrant, EO Jr, K Havens, and M Maunder (eds.) Ex Situ Plant Conservation: Supporting Species Survival in the Wild. Island Press. Covelo.
Maunder, M, K Havens, EO Guerrant Jr., and DA Falk. 2004. Ex Situ Methods: A Vital but Underused Set of Conservation Resources. Pages 3-20. In Guerrant, EO Jr, K Havens, and M Maunder (eds.) Ex Situ Plant Conservation: Supporting Species Survival in the Wild. Island Press. Covelo.
Maunder, M, EO Guerrant Jr., K Havens, and K Dixon. 2004. Realizing the Full Potential of Ex Situ Contributions to Global Plant Conservation. Pages 389-418. In Guerrant, EO Jr, K Havens, and M Maunder (eds.) Ex Situ Plant Conservation: Supporting Species Survival in the Wild. Island Press. Covelo.
Menges, ES, EO Guerrant Jr, and S Hamzé. 2004. Effects of Seed Collection on the Extinction Risk of Perennial Plants Pages 305-324. In Guerrant, EO Jr, K Havens, and M Maunder (eds.) Ex Situ Plant Conservation: Supporting Species Survival in the Wild. Island Press. Covelo.
Guerrant, EO Jr. 2003. Recommendations for reintroduction of Castilleja levisecta based on patterns of genetic diversity as revealed by allozyme data. Unpublished technical report submitted to Washington Department of Natural Resources Natural Heritage Program, Olympia, WA.
Guerrant, EO Jr. 2003. Reintroduction (Augmentation) of Koehler’s rockcress (Arabis koehleri var. koehleri) at the BLM North Bank Habitat Management Area: Survival and Growth During the First Year After Planting. Unpublished report prepared for the USDI Bureau of Land Management, Roseburg District, Roseburg, OR. 29 pages.
Guerrant, EO Jr. 2003. Experimental reintroduction of western lily (Lilium occidentale) at the New River ACEC: Results of the first six years of growth. Unpublished report prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR. 65 pages.
Guerrant, E. O. Jr., and Raven A. 2003. “Supporting In Situ Conservation: the Berry Botanic Garden, an Ex Situ Regional Resource in an Integrated Conservation Community.” In: Seed Conservation: Turning Science into Practice. Edited by R. D. Smith, J. B. Dickie, S. H. Linington, H. W. Pritchard and R. J. Probert. Royal Botanic Gardens, Kew, London, UK.
Guerrant, EO Jr. 2002. Experimental reintroduction of western lily (Lilium occidentale) at the New River ACEC: Results of the first five years of growth. Unpublished report prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR.
Guerrant, EO Jr. 2001. Experimental reintroduction of the endangered western lily (Lilium occidentale). In Conservation of Washington’s native plants and ecosystems. Edited by Reichard, SH, PW Dunwiddie, JG Gamon, AR Kruckeberg, and DL Salstrom. Pages 201-211. Washington Native Plant Society, Seattle.
Guerrant, EO Jr. 2001 Trouble in Paradise. Plant Conservation 15(1):12-13.
Guerrant, EO Jr. 2001 (Dec). Reintroduction (Augmentation) of Koehler’s rockcress (Arabis koehleri var. koehleri) at the BLM North Bank Habitat Management Area: Experimental Design and Initial Conditions. Unpublished report prepared for the USDI Bureau of Land Management, Roseburg District, Roseburg, OR. 9 pages.
Guerrant, EO Jr. 2001 (February). Experimental reintroduction of western lily (Lilium occidentale at the New River ACEC: Results of the first four years of growth. Unpublished report prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR. 43 pages.
Guerrant, EO Jr. 2000 (February). Experimental reintroduction of western lily (Lilium occidentale at the New River ACEC: Results of the first three years of growth. Unpublished report prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR. 37 pages.
Havens, K, E Guerrant, and M Maunder. 1999. Strategies for Survival: Ex Situ Plant Conservation – report of a research symposium held at the Chicago Botanic Garden. Botanic Gardens Conservation NEWS. 3(3):43-44.
Guerrant, EO Jr. 1999 (November) Report on activities concerning long-term storage and germination studies of Chaenactis suffrutescens by the Berry Botanic Garden for the Shasta-Trinity National Forests of the USDA Forest Service. Unpublished report submitted to the Shasta-Trinity National Forests, Redding CA. 6 pgs + 7 pg appendix.
Guerrant, EO Jr. 1999 (November) Report on project to perform perpetual curation and propagation of Lomatium cookii for the Medford District of the USDI Bureau of Land Management. Unpublished report submitted to the Medford District of the USDI Bureau of Land Management. 7 pgs + 4 pg appendix.
Guerrant, EO Jr. 1999 (July). Comparative demography of Erythronium elegans in two populations: one thought to be in decline (Lost Prairie), and one presumably healthy (Mt. Hebo). Final report on five transitions, or six years of data. Unpublished report prepared for the USDI Bureau of Land Management, and USDA Forest Service. 85 pp.
Guerrant, EO Jr. 1999 (June). Final report on Lomatium greenmanii seed collection, germination and storage activities of the Berry Botanic Garden: A portion of a larger Lomatium (OR) Conservation Project # 97-073-014. Unpublished report submitted to the US Fish and Wildlife Service, Boise, ID. 10 pages + appendix.
Guerrant, EO Jr. 1999 (March). Experimental reintroduction of western lily (Lilium occidentale) at the New River ACEC: Results of the first two years of growth. Unpublished report Prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR. 41 pages.
Guerrant, EO Jr, and A Raven. 1999. Seed Germination and Storability Studies of 69 Plant Taxa Native to the Willamette Valley Wet Prairie. A publication of the Oregon State University Nursery Technology Cooperative. Pages 25-31.
Guerrant, EO Jr. 1998 (December). Monitoring Nelson’s checker-mallow (Sidalcea nelsoniana) at Walker Flat, Neverstill and South McGuire: 1997 and 1998. Unpublished technical report submitted to the USDI Bureau of Land Management, Salem District, 58 pages.
Guerrant, EO Jr. 1998 (November). Germination and propagation studies of Castilleja chlorotica. Unpublished technical report prepared for the USDA Forest Service, Bend/Ft. Rock Ranger Districts. 12 pages.
Guerrant, EO Jr. 1998 (March). Experimental reintroduction of Lilium occidentale, seed collection for ex situ storage, and use of tissue culture for germinating and growing seeds. Unpublished report prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR. 18 pages.
Guerrant, EO Jr. 1998 (March). Experimental reintroduction of western lily (Lilium occidentale) at the New River ACEC: Results after one year of growth. Unpublished report prepared for the USDI Bureau of Land Management, Coos Bay District, North Bend, OR. 32 pages.
Guerrant, EO. Jr., and LR McMahan. 1998. Definitions for the five terms: Ex situ conservation; Integrated Conservation Strategies; Mitigation, Compensatory; Native and Naturalized Species; and, Seed Banks. In. Encyclopedia of Ecology and Environmental Management. Blackwell Science, Oxford.
Guerrant, EO Jr., and BM Pavlik. 1998. Reintroduction of rare plants: Genetics, demography and the role of ex situ conservation methods. Pages 80-108. In. PL Fiedler and P Kareiva (eds) Conservation Biology for the Coming Decade. 2nd edition. Chapman and Hall, New York.
Guerrant, EO Jr. 1997 (December). Monitoring Nelson’s checker-mallow (Sidalcea nelsoniana) at Walker Flat, Neverstill, and South McGuire: 1997. Unpublished report prepared for the USDI Bureau of Land Management, Salem District, Salem, OR. 52 pages.
Guerrant, EO Jr. 1997 (June). Preliminary reintroduction plan for Castilleja chlorotica on Pine Mountain in the Deschutes National Forest, Oregon. Unpublished report prepared for the Bend/Ft. Rock District, Deschutes National Forest. 26 pages.
Guerrant, EO Jr. 1997. Rare and endangered species: Offsite conservation at the Berry Botanic Garden, and the Center for Plant Conservation network. In. BA Roundy, and NL Shaw (eds.). Proceedings: Using seeds of native species on rangelands, 1997 February 18, Rapid City, SD. Gen. Tech. Rep. INT-GTR-372 Ogden, UT: US Department of Agriculture, Forest Service, Intermountain Research Station. Pages 10-15.
Guerrant, EO, Jr. and LR McMahan. 1997. Saving seeds for the future – the Seed Bank at Berry Botanic Garden, Portland, Oregon. Botanic Gardens Conservation News: Magazine of the Botanic Gardens Conservation International. 2(9):24-26. (Reprinted from Guerrant and McMahan, 1995, with minor modification).
Guerrant, EO. Jr. 1997. Ex situ conservation and the Berry Botanic Garden. Pages 105-114. In Kaye, TN, A Liston, RM Love, DL Luoma, RJ Meinke and MV Wilson (eds). Conservation and Management of Native Plants and Fungi. Native Plant Society of Oregon, Corvallis.
Guerrant, EO Jr., 1996 (September). Comparative demography of Erythronium elegans in two populations: one thought to be in decline (Lost Prairie), and one presumably healthy (Mt. Hebo). Interim report on four transitions, or five years of data. Unpublished reports prepared for the USDI Bureau of Land Management, and USDA Forest Service. 79 pp.
Guerrant, EO. Jr. 1996. Western lily, Lilium occidentale (Liliaceae). Kalmiopsis. 6:16-18.
Guerrant, EO. Jr. 1996. Designing populations: Demographic, genetic, and horticultural dimensions. Pages171-207 In. DA Falk, CI Millar and M Olwell (Eds.). Restoring Diversity: Strategies for Reintroduction of Endangered Species. Island Press, Covelo.
Guerrant, EO. Jr. 1996. Reintroduction of Stephanomeria malheurensis, a case study. Pages 399-402. In. DA Falk, CI Millar, and M Olwell (Eds.). Restoring Diversity: Strategies for Reintroduction of Endangered Species. Island Press, Covelo.
Guerrant, E, and LR McMahan. 1996. An exercise in ingenuity and economy: The evolution of Berry Botanic Garden’s State-of-the-art seed vault. Plant Conservation 10(1):3.
Guerrant, EO Jr, S Schultz, and D Imper. 1996. Draft Recovery Plan for Lilium occidentale, the western lily. US Fish and Wildlife Service.
Guerrant, EO, Jr. 1995 (September). Comparative demography of Erythronium elegans in two populations: one thought to be in decline (Lost Prairie), and one presumably healthy (Mt. Hebo). Interim report on four years of data. Unpublished reports prepared for the USDI Bureau of Land Management, and USDA Forest Service. 74 pp., plus appendices
Guerrant, EO. Jr. 1995 (May). A simulation study of population vulnerability in annual plants with a soil seed bank. Unpublished report submitted to the Medford District of the USDI Bureau of Land Management. 44 pp.
Guerrant, EO. Jr., and A Raven. 1995 (May). Patterns of Seed Production in Four Sensitive Plant Species. Unpublished report submitted to the Eugene, Burns, and Vale Districts of the USDI Bureau of Land Management.
Guerrant, EO. Jr., and LR McMahan, 1995. Saving seeds for the future. Plant Talk 3:21-23.
Guerrant, EO. Jr. 1995. How to Set Up and Operate an ex situ Seed Bank. In G. Wieland. Guidelines for the Management of Orthodox Seeds. Center for Plant Conservation, St. Louis, MO. pp. 21-33.
Guerrant, EO. Jr. 1995. Sample Sizes Necessary to Detect Given Viability Declines in Stored Seed Samples. In G. Wieland. Guidelines for the Management of Orthodox Seeds. Center for Plant Conservation, St. Louis, MO. pp. 35-43.
Guerrant, EO. Jr. 1994. Seed germination and storability studies of 17 plant taxa native to the Willamette Valley Wet Prairie Habitat. Unpublished report submitted in conjunction with The Nature Conservancy, and Lewis and Clark College, to the Eugene District, USDI Bureau of Land Management. 32 pp.
Guerrant, EO, Jr. 1994. Comparative demography of Erythronium elegans in two populations: one thought to be in decline (Lost Prairie), and one presumably healthy (Mt. Hebo). Interim report on three years of data. Unpublished reports prepared for the USDI Bureau of Land Management, and USDA Forest Service. 74 pp., plus appendices
Guerrant, EO, Jr. 1993. Peck's penstemon (Penstemon peckii) off-site seed storage, and soil seed bank longevity study. Unpublished report submitted to the Deschutes National Forest, USDA Forest Service. 21. pp.
Guerrant, EO, Jr. 1993. Report to U.S. Fish and Wildlife Service on Lomatium bradshawii seeds housed in The Berry Botanic Garden Seedbank for Rare and Endangered Plants of the Pacific Northwest. Unpublished report prepared for USDI Fish and Wildlife Service, Boise Field Station. 9 pp. plus 3 appendices.
Guerrant, EO, Jr. 1993. Comparative demography of Erythronium elegans in two populations: one thought to be in decline (Lost Prairie), and one presumably healthy (Mt. Hebo). Interim report on two years of data. Unpublished reports prepared for the USDI Bureau of Land Management, and USDA Forest Service. 122 pp.
Guerrant, EO, Jr. 1992. Comparative demography of Erythronium elegans in two populations: one thought to be in decline (Lost Prairie), and one presumably healthy (Mt. Hebo). Unpublished reports prepared for the USDI Bureau of Land Management, and USDA Forest Service.
Guerrant, EO. Jr. 1992. Genetic and demographic considerations in the sampling and reintroduction of rare plants. In. PL Fiedler and S. Jain (eds.) Conservation Biology: The Theory and Practice of Nature Conservation, Preservation, and Management. Chapman and Hall, New York. pp. 315-338.
Guerrant, EO, Jr. 1991. Ex-situ conservation collection of Pacific Dogwood (Cornus nuttallii) from Idaho, at The Berry Botanic Garden. Unpublished report prepared for the State of Idaho, Natural Heritage Program. 6 pp.
Guerrant, EO, Jr. 1991. Effects of heat on germination of Aster vialis. Unpublished report prepared for the USDI Bureau of Land Management, Eugene District, Oregon. 7 pp.
Guerrant, EO, Jr. 1991. An electrophoretic investigation into the status of Fritillaria gentneri (Liliaceae): is it a 'good' species or not? Unpublished report prepared for Oregon Department of Agriculture's Plant Conservation Biology Program, and the USDI Bureau of Land Management. 45 pp.
Guerrant, EO, Jr. 1991. Re-introduction of Stephanomeria malheurensis, an apparently extinct plant. Re-introduction news. Newsletter of the Re-introduction specialist Group of IUCN's Species Survival Commission (SSC) No. 3 November 1991. pp. 3-4.
McMahan, LR, and E Guerrant. 1991. Practical pointers for conserving genetic diversity in botanic gardens. The Public Garden 6(3):20-25(+43).
Parenti RL, and EO Guerrant Jr. 1990. Down But Not Out: Reintroduction of the Extirpated Malheur Wirelettuce, Stephanomeria malheurensis. Endangered Species UPDATE. 8(1):62-63.
Guerrant, EO, Jr. 1990. Transplantation of an otherwise doomed population of Barrett's Penstemon, Penstemon barrettiae. Endangered Species UPDATE. 8(1):66-67.
Guerrant, EO, Jr. 1990. Plant conservation in the Pacific Northwest: A small garden's view. Washington Park Arboretum Bulletin (U of WA, Seattle). 53(4):4-6.
Guerrant EO Jr. 1989. Early Maturity, Small Flowers and Autogamy: A Developmental Connection? In JH Bock and YB Linhart (eds.) The Evolutionary Ecology of Plants. pp. 61-84. Westview Press. Boulder.
Guerrant EO Jr. 1988. Heterochrony in Plants: The Intersection of Evolution Ecology and Ontogeny. In ML McKinney (ed) Heterochrony in Evolution pp 111-133. Plenum Press, New York.
Guerrant EO Jr. 1982. Neotenic evolution of Delphinium nudicaule (Ranunculaceae): a hummingbird-pollinated larkspur. Evolution 36(4):699-712.
Guerrant, EO Jr., and PL Fiedler. 1981. Flower defenses against nectar-pilferage by ants. Biotropica, Vol. 13, No. 2, Supplement: Reproductive Botany (Jun., 1981), pp. 25-33