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By: Coulloudon, Bill. - Eshelman, Kris. - Gianola, James. - Habich, Ned. - Hughes, Lee. - Johnson, C. (Curtis Millard), - Pellant, Michael L. - Podborny, Paul. - Rasmussen, Allen. - Robles, Ben. - Shaver, Patrick L. - Spehar, John. - Willoughby, John W. - Cooperative Extension System (U.S.) - United States. Forest Service. - United States. Natural Resources Conservation Service. - United States. Bureau of Land Management. - National Applied Resource Sciences Center (U.S.)Edition: RevisedPublication info: Denver, Colo, U.S. Department of the Interior, Bureau of Land Management, National Business Center, [1999]Volume:Series:Holding Institution: Bureau of Land ManagementSubjects:BHL Collections:
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By: Martinson, Frederick K. - Willoughby, John W. - United States. Bureau of Land Management.Edition:Publication info: [Denver, Colo.], U. S. Bureau of Land Management, Denver Service Center, 1992Volume:Series:Holding Institution: Bureau of Land ManagementSubjects:BHL Collections:
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By: Willoughby, John W.Type: ArticleIn: Madroño; a West American journal of botanyVolume: 42Series:Issue:Date: 1995Page Range: 242--245Publication Info: Berkeley California Botanical SocietySubjects:
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By: Willoughby, John W.Type: ArticleIn: CrossosomaVolume: 31Series:Issue: 2Date: 2005Page Range: 38--49Publication Info: Claremont, CA, Southern California Botanists, Rancho Santa Ana Botanic Garden,Subjects: