Adams W.T., Neale D.B., Loopstra C.A..  1988.  Verifying controlled crosses in conifer tree-improvement programs. Silvae Genetica. 37:147-152.

O'Neill G.A., Aitken S.N., Adams W.T..  1996.  Susceptibility to autumn frost can be predicted by the timing of bud-set in Douglas-fir seedlings but not saplings. Tree Improvement for Sustainable Tropical Forestry, Dieters, M.J., Matheson, A.C., Nikles, D.G., Harwood, C.E. and Walker, S.U. (eds.). :208-209.

St.Clair J.B., Howe G.T.  2011.  Strategies for the conservation of forest genetic resources in the face of climate change. Turk. J. Bot. 35:403-409.

Vikram V., Cherry M.L., Briggs D., Cress D.W., Evans R., Howe G.T.  2011.  Stiffness of Douglas-fir lumber: Effects of wood properties and genetics. Canadian Journal of Forest Research. 41:1160-1173.

Adams W.T., Howe G.T..  1985.  Stem sinuosity measurement in young Douglas-fir progeny tests. Proceedings of the IUFRO Working Party on Breeding Strategy for Douglas-fir as an Introduced Species. Working Party: S. 2.02.05. :147-159.

Aitken S.N., Adams W.T..  1997.  Spring cold hardiness under strong genetic control in Oregon populations of Pseudotsuga menziesii var. menziesii. Canadian Journal of Forest Research. 27:1773-1780.

Howe G.T., Yu J., Knaus B., Cronn R., Kolpak S., Dolan P., Lorenz W.W., Dean J.F.D.  2013.  A SNP resource for Douglas-fir: de novo transcriptome assembly and SNP detection and validation. BMC Genomics. 14(137)

Criddle R.S., Anekonda T.S., Bacca M.I., Hansen L.D..  1996.  Selection for biomass production based on respiration parameters in eucalypts: Acclimation of growth respiration to changing growth temperatures. Canadian Journal of Forest Research. 26:1569-1576.

Anekonda T.S., Hansen L.D., Bacca M.I., Criddle R.S..  1996.  Selection for biomass production based on respiration parameters in eucalypts: Effects of origin and growth climates on growth rates. Canadian Journal of Forest Research. 26:1556-1568.

Adams W.T., Vargas-Hernandez J.J., Joyce D.G..  1990.  Selecting for wood density in young coastal Douglas-fir. Proceedings Joint Meeting Western Forest Genetics Association and IUFRO Working Parties S2.02-05, -06, -12 and -14 on Douglas-fir, Contorta Pine, Sitka Spruce and Abies Breeding and Genetic Resources. :4.1-4.8.

Aitken S.N., Adams W.T..  1995.  Screening for cold hardiness in coastal Douglas-fir. Proceedings CRC-IUFRO Conference: Eucalypt Plantations: Improving Fibre Yield and Quality. :321-324.

Lu H., Klocko A.L., Brunner A.M., Ma C., Magnuson A.C., Howe G.T., An X., Strauss S.H.  2019.  RNA interference suppression of AGAMOUS and SEEDSTICK alters floral organ identity and impairs floral organ determinacy, ovule differentiation, and seed-hair development in Populus. New Phytologist. 222:923-937.

Anekonda T.S., Criddle R.S., Hansen L.D.  2000.  Response to letter from M. Adams. Functional Ecology. 14:654-656.

Bower A.D..  1998.  Response of annual growth ring components to soil moisture deficit in young, plantation grown Douglas-fir in coastal British Columbia. M.S.:88.

Criddle R.S., Anekonda T.S., Libby W.J..  1996.  Respiration parameters determine redwood growth rates and responses to climate. Proceedings Conference on Coast Redwood Forest Ecology and Management.

Adams W.T., Johnson G.R., Copes D.L., Daniels J., Quam R.G., Heaman J.C., Weber J..  1990.  Is research keeping up with the needs of Douglas-fir tree improvement programs? Western Journal of Applied Forestry . 5:135-137.

St.Clair J.B., Adams W.T..  1991.  Relative family performance and variance structure of open-pollinated Douglas-fir seedlings grown in three competitive environments. Theoretical and Applied Genetics. 81:541-550.

Krutovskii K.V., Vollmer S.S., Sorenson F.C., Adams W.T., Knapp S.J., Strauss S.H..  1998.  RAPD genome maps of Douglas-fir. Journal of Heredity. 89:197-205.

Li P, Adams W.T..  1989.  Range-wide patterns of allozyme variation in Douglas-fir (Pseudotsuga menziesii). Canadian Journal of Forest Research. 19:149-161.

O'Neill G.A., Adams W.T., Aitken S.N.  2001.  Quantitative genetics of spring and fall cold hardiness in seedlings from two Oregon populations of coastal Douglas-fir. Forest Ecology and Management. 149:305-318.

Vargas-Hernandez J.J., Adams W.T., Joyce D.G.  2003.  Quantitative genetic structure of stem form and branching traits in Douglas-fir seedlings and implications for early selection. 52. :36-44.

Zencirci N., Kaya Z., Anikster Y., Adams W.T..  1998.  Proceedings of International Symposium on In Situ Conservation of Plant Genetic Diversity. In Situ Conservation of Plant Genetic Diversity. :391p.

Cherry M.L., Howe G.T.  2004.  Proceedings, genetics and growth modeling workshop. Pacific Northwest Research Cooperative Report . :171pp..

Slavov G.T., Howe G.T., Gyaourova A.V., Birkes D.S., Adams W.T.  2004.  Pollen Flow (PFL): A computer program for estimating pollen flow using highly variable markers and paternity exclusion.

Adams W.T., Hipkins V.D., Burczyk J., Randall W.K..  1997.  Pollen contamination trends in a maturing Douglas-fir seed orchard. Canadian Journal of Forest Research. 27:131-134.

Lomas M.C..  1999.  Physiology and genetics of drought hardiness in coastal Douglas-fir seedlings. M.S.:80.

Temel F.  1997.  Persistence and age-age genetic correlations of stem defects in Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco). MS:52.

Temel F, Adams W.T.  2000.  Persistence and age-age genetic correlations of stem defects in coastal Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco). Forest Genetics. 7:145-153.

Adams W.T., Aitken S.N..  1995.  Pacific Northwest Tree Improvement Research Cooperative Five-Year Plan (July 1995-June 2000). PNWTIRC Report. :11p.

Anekonda T.S., Adams W.T.  2000.  Pacific Northwest Tree Improvement Research Cooperative. Western Forester. 45:13.

Burczyk J., Adams W.T., Shimizu J.Y..  1997.  Mating system and genetic diversity in natural populations of knobcone pine (Pinus attenuata). Forest Genetics. 4(4):223-226.

Burczyk J., Adams W.T., Shimizu J.Y..  1996.  Mating patterns and pollen dispersal in a natural knobcone pine (Pinus attenuata Lemmon.) stand. Heredity. 77:251-280.

Jermstad K.D., Bassoni D.L., Wheeler N.C., Anekonda T.S., Aitken S.N., Adams W.T., Neale D.B.  2001.  Mapping of quantitative trait loci controlling adaptive traits in coastal Douglas-fir: II. Spring and fall cold hardiness. Theoretical and Applied Genetics . 102:1152-1158.

Adams W.T., Burczyk J.  2000.  Magnitude and implications of gene flow in gene conservation reserves. Forest Conservation Genetics: Principles and Practices. :pp.215-224.

Adams W.T., Johnson G.R., Copes D.L., Daniels J., Quam R.G., Heaman J.C., Weber J..  1990.  Information needs of coastal Douglas-fir tree improvement programs. PNWTIRC Report. :18p.

Anekonda T.S., Adams W.T., Aitken S.N..  1998.  Influence of second flushing on genetic assessment of cold hardiness in coastal Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco). Forest Ecology and Management. 111:119-126.

Anekonda T.S., Criddle R.S., Bacca M.I., Hansen L.D.  2000.  Influence of age on dark respiration in eucalypts. Thermochimica Acta. 343:11-17.

Aitken S.N., Adams W.T..  1995.  Impacts of genetic selection for height growth on annual developmental cycle traits in coastal Douglas-fir. Proceedings Joint Meeting IUFRO Working Parties S2.02.05 (Douglas-fir), S2.0206 (Pinus contorta), S2.02.12 (Sitka spruce) and S2.02.14 (Abies). :AD-1.

Adams W.T., Zuo J., Shimizu J.Y., Tappeiner J.C..  1998.  Impact of alternative regeneration methods on genetic diversity in coastal Douglas-fir. Forest Science. 44:390-396.

Howe D.K., Brunner A.M., Cherry M.L., Krutovsky K.V., Neale D.B., Howe G.T.  2005.  Identifying candidate genes associated with cold hardiness in coastal Douglas-fir using DNA microarrays. Western Forest Genetics Association 50th Anniversary Meeting: Looking Back—Looking Ahead.

Slavov G.T., Howe G.T., Yakovlev I, Edwards K.J., Krutovskii K.V., Tuskan G.A., Carlson J.E., Strauss S.H., Adams W.T.  2004.  Highly variable SSR markers in Douglas-fir: Mendelian inheritance and map locations. Theoretical and Applied Genetics. 108:873-880.

Kolpak S.E., Smith J., Albrecht M.J., DeBell J., Lipow S., Cherry M.L., Howe G.T.  2015.  High-density miniaturized seed orchards of Douglas-fir. New Forests. 46:121-140.

Jayawickrama K.J.S., Ye T.Z., Howe G.T.  2011.  Heritabilities, intertrait genetic correlations, GxE interaction and predicted genetic gains for acoustic velocity in mid-rotation coastal Douglas-fir. Silvae Genetica. 60:8-18.

Krutovskii K.V., Vollmer S.S., Sorenson F.C., Adams W.T., Strauss S.H..  1996.  Genome mapping in inter-varietal hybrids of Douglas-fir. Proceedings Western Forest Genetics Association Meeting.

Doede D.L., Adams W.T..  1998.  The genetics of stem volume, stem form and branch characteristics in sapling noble fir. Silvae Genetica. 47:177-183.

Aitken S.N., Adams W.T..  1996.  Genetics of spring cold hardiness in coastal Douglas-fir. Western Forest Genetics Association Meeting.

Adams W.T., Bastien J.-C.  1994.  Genetics of second flushing in coastal Douglas-fir. Proceedings Joint Conference Western Mensurationists Association and Western Forest Genetics Association. :83p.

Adams W.T., Bastien J.-C.  1994.  Genetics of second flushing in a French plantation of coastal Douglas-fir. Silvae Genetica. 43

O'Neill G.A..  1999.  Genetics of fall, winter and spring cold hardiness in coastal Douglas-fir seedlings. Ph.D.:84.

Aitken S.N., Adams W.T..  1996.  Genetics of fall and winter cold hardiness of coastal Douglas-fir in Oregon. Canadian Journal of Forest Research. 26:1828-1837.

Anekonda T.S., Adams W.T.  2000.  Genetics of dark respiration and its relationship with drought hardiness in coastal Douglas-fir. Thermochimica Acta . 349:69-77.

Anekonda T.S., Adams W.T., Aitken S.N., Neale D.B., Jermstad K.D., Wheeler N.C.  2000.  Genetics of cold hardiness in a cloned full-sib family of coastal Douglas-fir. Canadian Journal of Forest Research. 30:837-840.

Anekonda T.S.  2001.  Genetics of cold and drought hardiness in coastal Douglas-fir. Western Forest Genetics Association Meeting.

Vargas-Hernandez J.J., Adams W.T..  1991.  Genetic variation of wood density components in young coastal Douglas-fir: implications for tree breeding. Canadian Journal of Forest Research. 21:1801-1807.

Vargas-Hernandez J.J..  1990.  Genetic variation of wood density components in coastal Douglas-fir and their relationships to growth rhythm. Ph.D

Aitken S.N., Kavanagh K.L., Yoder B.J..  1995.  Genetic variation in seedling water-use efficiency as estimated by carbon isotope ratios and its relationship to sapling growth in Douglas-fir. Forest Genetics. 2:199-206.

Li P.  1990.  Genetic variation in phenology of bud and cambial activity in coastal Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco). Ph.D.

Anekonda T.S., Lomas M.C., Adams W.T., Kavanagh K.L., Aitken S.N.  2002.  Genetic variation in drought hardiness of coastal Douglas-fir seedlings from British Columbia. Canadian Journal of Forest Research. 32:1701-1716.

Anekonda T.S., Lomas M.C., Adams W.T.  2000.  Genetic variation in drought hardiness of coastal Douglas-fir (Pseudotsuga menziesii var. menziesii) seedlings. Joint Meeting North American Forest Biology Workshop and Western Forest Genetics Association.

Cherry M.L., Vikram V., Briggs D., Cress D.W., Howe G.T.  2008.  Genetic variation in direct and indirect measures of wood stiffness in coastal Douglas-fir. Canadian Journal of Forest Research. 38:2476-2486.

Balduman L.M., Aitken S.N., Harmon M, Adams W.T..  1999.  Genetic variation in cold hardiness of Douglas-fir in relation to parent tree environment. Canadian Journal of Forest Research. 29:62-72.

Li P, Adams W.T..  1994.  Genetic variation in cambial phenology of coastal Douglas-fir. Canadian Journal of Forest Research. 24:1864-1870.

O'Neill G.A., Aitken S.N., Adams W.T.  2000.  Genetic selection for cold hardiness in coastal Douglas-fir seedlings and saplings. Canadian Journal of Forest Research. 30:1799-1807.

Vargas-Hernandez J.J., Adams W.T..  1994.  Genetic relationships between wood density components and cambial growth rhythm in young coastal Douglas-fir. Canadian Journal of Forest Research. 24:1871-1876.

Schermann N., Adams W.T., Aitken S.N., Bastien J.-C.  1997.  Genetic parameters of stem form traits in a 9-year-old coastal Douglas-fir progeny test in Washington. Silvae Genetica. 46:166-170.

Adams W.T., White T.L., Hodge G.R., Powell G.L..  1994.  Genetic parameters for bole volume in longleaf pine: large sample estimates and influences of test characteristics. Silvae Genetica. 43:357-366.

St.Clair J.B., Howe G.T.  2009.  Genetic options for adapting forests to climate change. Western Forester. 54(1):9-11.

Jayawickrama K.J.S., Bracher G, Howe G.T.  2002.  Genetic improvement of wood quality in coastal Douglas-fir and western hemlock. Joint PNWTIRC/NWTIC workshop.

Li P, Adams W.T..  1993.  Genetic control of bud phenology in pole-size trees and seedlings of coastal Douglas-fir. Canadian Journal of Forest Research. 23:1043-1051.

Libby W.J., Anekonda T.S., Kuser J.E..  1996.  The genetic architecture study of coast redwood. Proceedings Conference on Coast Redwood Forest Ecology and Management.

Magalska L., Howe G.T.  2014.  Genetic and environmental control of Douglas fir stem defects. For. Ecol. Manage. 318:228-238.

Howe G.T., Aitken S.N., Neale D.B., Jermstad K.D., Wheeler N.C., Chen T.H.H.  2003.  From genotype to phenotype: Unraveling the complexities of cold adaptation in forest trees. Canadian Journal of Botany. 81:1247-1266.

Chmura D.J., Anderson P.D., Howe G.T., Harrington C.A., Halofsky J.E., Peterson D.L., Shaw D.C., St.Clair J.B.  2011.  Forest responses to climate change in the northwestern United States: Ecophysiological foundations for adaptive management. Forest Ecology and Management. 261:1121-1142.

Cherry M.L., Anekonda T.S., Albrecht M.J., Howe G.T.  2007.  Flower stimulation in young miniaturized seed orchards of Douglas-fir (Pseudotsuga menziesii). Canadian Journal of Forest Research. 37(1):1-10.

Vargas-Hernandez J.J., Adams W.T., Krahmer R.L..  1994.  Family variation in age trends of wood density traits in young coastal Douglas-fir. Wood and Fiber Science. 26:229-236.

Aitken S.N., Adams W.T., Schermann N., Fuchigami L.H..  1996.  Family variation for fall cold hardiness in two Washington populations of coastal Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco). Forest Ecology and Management. 80:187-195.

St.Clair J.B., Adams W.T..  1993.  Family composition of Douglas-fir nursery stock as influenced by seed characters, mortality and culling practices. New Forests. 7:319-329.

Anekonda T.S.  2001.  Extreme growth phenotypes of trees are caused by differences in energy metabolism. Thermochimica Acta . 373:125-132.

Adams W.T., Aitken S.N., Joyce D.G., Howe G.T., Vargas-Hernandez J.J.  2001.  Evaluating efficacy of early testing for stem growth in coastal Douglas-fir. Silvae Genetica. 50:167-175.

Schermann N..  1994.  Etude des parameteres genetiques de trois populations de Douglas vert (Pseudotsuga menziesii (Mirb.) Franco), Analyse d'un diallele 16 x 16, Consequences pour la strategie d'amelioration genetique de l'espece. PhD:117p.

St.Clair J.B., Howe G.T.  2010.  Ensuring that forests are adapted to future climates. Northwest Woodlands. 26(2):20-21,31.

Aitken S.N..  1995.  Effects of selection for increased growth rates on the annual developmental cycle of coastal Douglas-fir. Proceedings Canadian Tree Improvement Association and Western Forest Genetics Association Joint Meeting. :63p.

St.Clair J.B., Adams W.T..  1991.  Effects of seed weight and rate of emergence on early growth of open-pollinated Douglas-fir families. Forest Science. 37:987-997.

St.Clair J.B..  1989.  Effects of seed characters and competitive environment on two-year performance of open-pollinated Douglas-fir families. Ph.D.

Krutovskii K.V., Vollmer S.S., Sorenson F.C., Adams W.T., Strauss S.H..  1996.  Effects of megagametrophyte removal on DNA yield and early seedling growth in coastal Douglas-fir. Proceedings Western Forest Genetics Association Meeting.

Criddle R.S., Anekonda T.S., Tong H, Church J.N., Ledig F.T., Hansen L.D.  2000.  Effects of climate on growth traits of river red gum are determined by respiration parameters. Australian Journal of Plant Physiology. 27:435-443.

Anekonda T.S., Libby W.J..  1996.  Effectiveness of nearest neighbor data adjustment in a clonal test of redwood. Silvae Genetica. 45:46-51.

Urhan O.S., Kolpak S.E., Jayawickrama K.J.S., Howe G.T.  2014.  Early genetic selection for wood stiffness in juvenile Douglas-fir and western hemlock. For. Ecol. Manage. 320:104-117.

Celer E.  2017.  Douglas-fir seedlings in the Pacific Northwest: The genetics of drought adaptation. M.S. Thesis, Oregon State University

Slavov G.T.  2003.  CTAB protocol for extracting DNA from Douglas-fir seed embryos and megagametophytes.

Anekonda T.S., Criddle R.S., Bacca M.I., Hansen L.D..  1999.  Contrasting adaptation of two eucalyptus subgenera is related to differences in respiratory metabolism. Functional Ecology. 13:675-682.

Klocko A., Brunner A.M., Huang J., Meilan R., Lu H., Ma C., Morel A., Zhao D., Ault K., Dow M. et al..  2016.  Containment of transgenic trees by suppression of LEAFY. Nature Biotechnology. 34:918–922.

Lorenz W.W., Neale D.B., Jermstad K.D., Howe G.T., Rogers D.L., Bordeaux J.M., Ayyampalayam S., Dean J.F.D.  2012.  Conifer DBMagic: A database housing multiple de novo transcriptome assemblies for twelve diverse conifer species. Tree Genet. Genomes. 8:1477-1485.

Adams W.T., Joyce D.G..  1990.  Comparison of selection methods for improving volume growth in young coastal Douglas-fir. Silvae Genetica. 39:219-226.

Anekonda T.S., Adams W.T., Aitken S.N.  2000.  Cold hardiness testing for Douglas-fir tree improvement programs: guidelines for a simple, robust and inexpensive screening method. Western Journal of Applied Forestry. 15:129-136.

Howe G.T., Adams W.T..  1998.  Clinometer versus pole measurement of tree heights in young Douglas-fir progeny tests. Western Journal of Applied Forestry . 3:86-88.

Howe G.T., Jayawickrama K.J.S., Cherry M.L., Johnson G.R., Wheeler N.C.  2006.  Breeding Douglas-fir. Plant breeding reviews. 27:245-353.

Howe G.T., Strauss S.H.  2017.  Biotechnology research is developing new tools for tree breeders. Western Forester. 62(3):26-27.

Howe G.T.  2006.  Bibliography of Douglas-fir ecological genetics, evolutionary genetics, physiological genetics, and tree breeding. Pacific Northwest Research Cooperative Report. :20pp.

Howe G.T., Jayawickrama K.J.S., Kolpak S.E., Kling J.G., Trappe M., Hipkins V.D., Ye T., Guida S., Cronn R., Cushman S.A. et al..  2020.  An Axiom SNP genotyping array for Douglas-fir. BMC Genomics. 21(9)

Vargas-Hernandez J.J., Adams W.T..  1992.  Age-age correlations and early selection for wood density in young Douglas-fir. Forest Science. 38:467-478.

Kaya Z., Adams W.T., Campbell R.K..  1994.  Adaptive significance of intermittent shoot growth in Douglas-fir seedlings. Tree Physiology. 14:1277-1289.

Chmura D.J., Howe G.T., Anderson P.D., St.Clair J.B.  2010.  Adaptation of trees, forests and forestry to climate change. Sylwan. 154(9):587-602.

St.Clair J.B., Howe G.T., Kling J.G.  2020.  The 1912 Douglas-fir Heredity Study: Long-term effects of climatic transfer distance on growth and survival. Journal of Forestry. 118(1):1-13.