Seedling population size and microhabitat association in Lupinus oreganus A. Heller var. kincaidii C.P. Sm. (Fabaceae) a threatened plant of western Oregon grasslands

References

1. 1. Baskin CC,
   2. Baskin JM.

   1998. Seeds: ecology, biogeography, and evolution of dormancy and germination. New York (NY): Academic Press. 666 p.
2. 1. Clark WE.

   1971. A taxonomic revision of the weevil genus Tychius Germar in America north of Mexico (Coleoptera: Curculionidae). Brigham Young University Science Bulletin, Biological Series 13:1–39.

   OpenUrl
3. 1. Harper JL.

   1977. Population biology of plants. London: Academic Press. 892 p.
4. 1. [ITIS] Integrated Taxonomic Information System.

   2008. URL: http://itis.gov (accessed 21 Sep 2008).
5. 1. Kaye TN.

   1999. Obligate insect pollination of a rare plant: Lupinus sulphureus ssp. kincaidii. Northwest Science 73:50–52.

   OpenUrl
6. 1. Kaye TN,
   2. Kuykendall K.

   1993. Lupinus sulphureus ssp. kincaidii: survey and reproductive studies. Report submitted to the USDA Bureau of Land Management, Roseburg District, Roseburg, OR.
7. 1. Kaye TN,
   2. Kuykendall K.

   2001. Effects of scarification, cold stratification, and source population on germination of Lupinus sulphureus ssp. kincaidii. Seed Science and Technology 29:663–668.

   OpenUrl
8. 1. Liston A,
   2. St Hilaire K,
   3. Wilson MV.

   1995. Genetic diversity in populations of Kincaid’s lupine, host plant of fender’s blue butterfly. Madroño 42:309–322.

   OpenUrl
9. 1. Maret MP,
   2. Wilson MV.

   2000. Fire and seedling dynamics in western Oregon prairies. Journal of Vegetation Science 11:307–314.

   OpenUrl
10. 1. Parker I.

    2000. Invasion dynamics of Cytisus scoparius: a matrix model approach. Ecological Applications 10:726–743.

    OpenUrlCrossRefWeb of Science
11. 1. Pelham JP.

    2008. A catalogue of the butterflies of the United States and Canada, with a complete bibliography of the descriptive and systematic literature. Journal of Research on the Lepidoptera 40:1–658.

    OpenUrl
12. 1. Reader RJ.

    1993. Control of seedling emergence by ground cover and seed production in relation to seed size for some old-field species. Journal of Ecology 81:169–175.

    OpenUrlCrossRefWeb of Science
13. 1. Schemske DW,
    2. Husband BC,
    3. Ruckelshaus MH,
    4. Goodwillie C,
    5. Parker IM,
    6. Bishop JG.

    1994. Evaluating approaches to the conservation of rare and endangered plants. Ecology 75:584–606.

    OpenUrlCrossRefWeb of Science
14. 1. Schultz CB.

    2001. Restoring resources for an endangered butterfly. Journal of Applied Ecology 38:1007–1019.

    OpenUrl
15. 1. Severns PM.

    2003a. Inbreeding and small population size reduce seed set in a threatened and fragmented plant species, Lupinus sulphureus ssp. kincaidii (Fabaceae). Biological Conservation 110:221–229.

    OpenUrlCrossRefWeb of Science
16. 1. Severns PM.

    2003b. Propagation of a long-lived and threatened prairie plant, Lupinus sulphureus ssp. kincaidii. Restoration Ecology 11:334–342.

    OpenUrl
17. 1. Severns PM.

    2004. Creating bare ground increases presence of native pollinators in Kincaid’s lupine seeding plots. Ecological Restoration 22:234–235.

    OpenUrl
18. 1. Severns PM,
    2. Lewis B.

    2007. Is it appropriate to rely on seed set to assess candidate plant populations for genetic rescue? A case study with a threatened species. Natural Areas Journal 27:313–319.

    OpenUrl
19. 1. StatGraphics.

    2001. Version 5.1. Rockville (MD): Statistical Graphics Corporation.
20. 1. [USDA NRCS] USDA Natural Resources Conservation Service.

    2008. The PLANTS database. URL: http://plants.usda.gov. (accessed 21 Sep 2008) Baton Rouge (LA): National Plant Data Center.
21. 1. Wilson BL.

    1997. A “New” Native Fescue of Western Oregon Prairies. In: Kaye TN, Liston A, Love RM, Luoma DL, Meinke RJ, Wilson MV, editors. Conservation and Management of Native Plants and Fungi. Corvallis (OR): Native Plant Society of Oregon. p 153–161.
22. 1. Wilson MV,
    2. Clark DL.

    2001. Controlling invasive Arrhenatherum elatius and promoting native prairie grasses through mowing. Applied Vegetation Science 4:129–138.

    OpenUrlCrossRefWeb of Science
23. 1. Wilson MV,
    2. Erhart T,
    3. Hammond PC,
    4. Kaye TN,
    5. Kuykendall K,
    6. Liston A,
    7. Robinson AF Jr.,
    8. Schultz CB,
    9. Severns PM.

    2003. Biology of Kincaid’s lupine (Lupinus sulphureus ssp. kincaidii [Smith] Phillips), a threatened species of western Oregon native prairies. Natural Areas Journal 23:72–83.

    OpenUrl