REFEREED PUBLICATIONS, NON-REFEREED PUBLICATIONS/REPORTS/CREATIVE WORKS, AND THESES BASED ON USE OF THE UNIVERSITY OF IOWA HERBARIUM (1989-2003)
REFEREED PUBLICATIONS
2003
Cruden, R.W. 2003. Echeandia. In Flora of North America Editorial Committee (eds.), Flora of North America, Vol. 26. Oxford University Press, New York.
Magrath, L. 2003. Corallorhiza Gagnebin. In Flora of North America Editorial Committee (eds.), Flora of North America, Vol. 26. Oxford University Press, New York.
Reznicek, A.A. 2003. Carex L. In Flora of North America Editorial Committee (eds.), Flora of North America, Vol. 23. Oxford University Press, New York.
St Pierre, M.J. & S.D. Hendrix. 2003. Movement patterns of Rhyssomatus lineaticollis Say (Coleoptera: Curculionidae) within and among Asclepias syriaca (Asclepiadaceae) patches in a fragmented landscape. Ecol. Ent. 28: 579-586.
2002
Baker, R.G., Bettis E.A. III, Gonzalez, L.A., Denniston, R.F., Strickland, L.E. & J.R. Krieg. 2002. Holocene paleoenvironments in southeastern Minnesota--chasing the prairie-forest ecotone. Palaeogeography, Palaeoclimatology, Palaeoecology 177:103-122.
Cusick, A.W. 2002. Six non-native species newly discovered in the Iowa vascular flora. Sida 20:405-407.
Widrlechner, M.P. & J.K. Iles. 2002. A geographic assessment of the risk of naturalization of non-native woody plants in Iowa. J. Environ. Hort. 20:47-56.
2001
Baker, R.G., Bettis, E. A. III, Denniston, R.F., & L.A. Gonzalez. 2001. Plant remains, alluvial chronology, and cave speleothem isotopes indicate abrupt Holocene climatic change at 6ka in Midwestern USA. Global and Planetary Change 28:285-291.
Costea, M., A. Sanders & G. Waines. 2001. Preliminary results toward a revision of the Amaranthus hybridus species complex (Amaranthaceae). Sida 19:931-974.
Costea, M., A. Sanders & G. Waines. 2001. Notes on some little known Amaranthus taxa (Amaranthaceae) in the United States. Sida 19:975-992.
Meerow, A.W. and R.W. Cruden. 2001. Liliaceae, pp. 1-15. In Steyermark, J. A., P. E. Berry, K. Yatskievych, & B. Holst (eds.), Flora of the Venezuelan Guayana. Vol. 6. Liliaceae-Myrsinaceae.
2000
Baker, R.G. 2000. Holocene environments reconstructed from plant macrofossils in stream deposits from southeastern Nebraska. The Holocene 10:357-365.
Baker, R.G., Fredlund, G.G., Mandel, R.D. & E.A. Bettis III. 2000. Holocene Environments of the Central Great Plains, Quaternary International 67:89-106.
Curry, B. B. & R.G. Baker. 2000. Paleohydrology, vegetation, and climate since the late Illinois Episode (~130 ka) in south-central Illinois. Palaeogeography, Paleaeoclimatology, Palaeoecology 155:59-81.
Hendrix, S.D. & J.F. Kyhl. 2000. The effects of population size on reproduction in Phlox pilosa. Conservation Biol. 14:304-314.
O’Brien, T.J. & D. Horton. 2000. Bryochenea (Musci; Thuidiaceae) is Cyrto-hypnum (Thuidiaceae), but B. sachalinensis is Echinophyllum (Thuidiaceae), a new genus from the Pacific Rim. The Bryologist 103:509-517.
Thompson, S.A. 2000. Araceae Jussieu, pp. 128-142. In Flora of North America Editorial Committee (eds.), Flora of North America Vol. 22. Oxford University Press, New York. 352 pp.
1999
Baker, R.G. & J.A. Mason. 1999. Arctic plant macrofossils from a full glacial deposit of southeastern Minnesota. Quaternary Research 52:388-392.
Cruden, R.W. 1999. A new subgenus and fifteen new species of Echeandia (Anthericaceae) from Mexico and the United States. Novon 9:325-338.
Denniston, R.F., Gonzalez, L.A., Asmerom, Y., Baker, R.G., Reagan, M.K. & E.A. Bettis III. 1999. Evidence for increased cool season moisture during the middle Holocene. Geology 27:815-818.
Denniston, R.F., Gonzalez, L.A., Semken, H.A., Asmerom, Y., Baker, R.G., Recelli-Snyder, H., Reagan, M.K. & E.A. Bettis. 1999. Integrating stalagmite, vertebrate, and pollen sequences to investigate Holocene vegetation and climate change in the southern Midwestern United States. Quaternary Research 52:381-387.
Heard, S.B., M.A. Campbell, M.L. Bonine & S.D. Hendrix. 1999. Developmental instability in fragmented populations of prairie phlox (Phlox pilosa): a cautionary tale. Conservation Biol. 13:1-10.
Molano-Flores, B. & S.D. Hendrix. 1999. The effects of population density and population size on the reproductive output of Anemone Canadensis (Ranunculaceae). International J. of Plant Sciences 160:759-766.
Molano-Flores, B. & S.D. Hendrix. 1999. The reproductive biology of candle anemone. The Prairie Naturalist 30:169-178.
Molano-Flores, B., S.D. Hendrix & S.B. Heard. 1999. The effect of population size on stigma pollen load, fruit set, and seed set in Allium stellatum Ker. (Liliaceae). International J. of Plant Sciences 160:753-757.
Nekola, J.C. 1999. Paleorefugia and neorefugia: the influence of colonization history on community pattern and processes. Ecology 80:2459-2473.
1998
Baker, R.G., Gonzalez, L.A., Raymo, M. Bettis, E.A. III, Reagan, M.K. & J.A. Dorale. 1998. Comparison of multiple proxy records of Holocene environments in midwestern USA. Geology 26:1131-1134.
Baker, R.G. 1998. Late Quaternary environmental changes in midwestern United States, pp 3-8. In M. Lannoo (ed.), The Status and Conservation of Midwestern Amphibians, University of Iowa Press, Iowa City.
Leon V., Y. 1998. Cryphaea hortonae, a new species of mosses from Bolivia. Tropical Bryology 14:77-80.
Maher, L.J., Jr., Miller, N.G., Baker, R.G., Curry, B.B. & D.M. Mickelson. 1998. Paleobiology of the sand beneath the Valders Till at Valders, Wisconsin. Quaternary Research 49:208-221.
Page, J.M. & S.D. Hendrix. 1998. The effects of habitat fragmentation on mycorrhizal associations of an Iowa prairie forb. In H.E. Flores, J.P. Lynch & D. Eissenstat (eds.), Radical Biology: Advances and Perspectives on the Function of Plant Roots, pp. 513-516. American Society of Plant Physiologists, Rockville, MD.
Widrlechner, M.P. 1998. The genus Rubus in Iowa. Castanea 63:415-465.
1997
Nekola, J. 1997. Two new Gymnocarpium hybrids from northeast Iowa. Am. Fern J. 87:9-11.
Nekola, J. & D.W. Schlicht. 1997. Ecology of Botrychium campestre on northeastern Iowa glades. The Prairie Naturalist 28:77-89.
Peck, J.H., J. Nekola & W. Thomas. 1997. Additions to Iowa pteridophyte flora of Iowa. IV. J. Iowa Acad. Sci. 104:77-81.
Rhodes, D.G. 1997. Menispermaceae Jussieu, pp. 295-299. In Flora of North Editorial Committee (eds.), Flora of North America Vol. 3. Oxford University Press, New York. 590 pp.
Whittemore, A.T. & B.D. Parfitt. 1997. Ranunculaceae Jussieu, pp. 85-271. Flora of North America Editorial Committee (eds.), Flora of North America Vol. 3. Oxford University Press, New York. 590 pp.
Wiersema, J.H. 1997. Nelumbonaceae Dumortier, pp. 64-65. In Flora of North America Editorial Committee (eds.), Flora of North America Vol. 3. Oxford University Press, New York. 590 pp.
Wiersema, J.H. & C.B. Hellquist. 1997. Nymphaeaceae Salisbury, pp. 66-77. In, Flora of North America Editorial Committee (eds.), Flora of North America Vol. 3. Oxford University Press, New York. 590 pp.
Wiersema, J.H. 1997. Cabombaceae A. Richard, pp. 78-80. In Flora of North America Editorial Committee (eds.), Flora of North America Vol. 3. Oxford University Press, New York. 590 pp.
Williams, A.H. 1997. Range expansion northward in Illinois and into Wisconsin of Tridens flavus (Poaceae). Rhodora 99: 344-351.
1996
Baker, R.G., E.A. Bettis III, D.P. Schwert, D.G. Horton, C.A. Chumbley, L.A. Gonzalez & M.K. Reagan. 1996. Holocene paleoenvironments of northeast Iowa. Ecol. Monogr. 66:203-234.
Leon V., Y. & D. Horton. 1996. Las especies Andinas de Cryphaea. Anales Inst. Biol. Univ. Nac. Auton. Mexico, Ser. Bot. 67:27-33.
Nekola, J. & D.W. Schlicht. 1996. Distribution of Botrychium campestre in northeastern Iowa. Am. Fern J. 86:119-123.
Wiersema, J.H. 1996. Nymphaea tetragona and N. leibergii: two species of diminutive water-lilies in North America. Brittonia 48:520-531.
1995
Zhu, H. & R.G. Baker. 1995. Vegetation and climate of the last glacial-interglacial cycle in southern Illinois. Journal of Paleolimnology 14:337-354.
1994
Anderson, L.C. 1994. A revision of Hasteola (Asteraceae) in the New World. Syst. Bot. 19:211-219.
Baker, R.G. & P. Drake. 1994. Holocene history of prairie in midwestern United States: Pollen versus plant macrofossils. Ecoscience 1:333-339.
Baker, R.G. 1994. The role of paleoenvironmental studies in climate change, pp. 72-77. In C.M. Ryan, F.H. Quinn & M.J. Donahue (eds.), Great Lakes Climate Change, Proceedings of the Great Lakes Climate Change Workshop conducted on December 6-8, 1993, Ypsilanti, Michigan, NOAA, CILER, and Great Lakes Commission.
Cruden, R.W. 1994. Echeandia, pp. 27-30. In G. Davidse, M. Sousa & A. O. Chater (eds.), Flora Mesoamericana, Vol. 6. Universidad Nacional Autónoma de México, Ciudad Universitaria, México, D.F.
Cruden, R.W. 1994. Hagenbachia, pp.30-31. In G. Davidse, M. Sousa, A. O. Chater, (eds.), Flora Mesoamericana, Vol. 6. Universidad Nacional Autónoma de México, Ciudad Universitaria, México, D.F.
Eilers, L.J. & D.M. Roosa. 1994. The Vascular Plants of Iowa. University of Iowa Press, Iowa City. 304 pp.
Hendrix, S.D. 1994. Effects of population size on fertilization, seed production, and seed predation in two prairie legumes, pp. 115-121. In R.G. Wickett, P.D. Lewis, A. Woodliffe, & P. Pratt (eds.), Proceedings of the Thirteenth North American Prairie Conference. Dept. Parks and Recreation, Windsor, Ontario, Canada.
Nekola, J. 1994. The environment and vascular flora of northeastern Iowa fen communities. Rhodora 96:121-169.
O’Brien, T.J. 1994. An additional North American locality for Zygodon apiculatus. Evansia 11:79-80.
O’Brien, T.J. 1994. A taxonomic note on Crassicosta hermannii. The Bryologist 97:174-175.
1993
Baker, R.G., Bettis, E.A. III & D.G. Horton. 1993. Late-Wisconsinan-Early Holocene riparian paleoenvironment in southeastern Iowa, USA. Geological Society of America Bulletin 105:206-212.
Baker, R.G., D.P. Schwert & A.E. Bettis III. 1993. The impact of EuroAmerican settlement on landscapes, vegetation and water quality in northeastern Iowa. Holocene 3:314-323.
Cruden, R. W. 1993. New species and combinations of Echeandia (Liliaceae) from Oaxaca, Mexico. Phytologia 74:128-137.
Henderson, D.M. & A.F. Cholewa. 1993. Sisyrinchium, pp. 1155-1156. In J.C. Hickman (ed.), The Jepson Manual of Higher Plants of California. University of California Press, Berkeley. 1400 pp.
Horton, D. 1993. Encalyptales, pp. 418-422. In A.J. Sharp, H. Crum & P.M. Eckel (eds.), The Moss Flora of Mexico, Part I. Mem. New York Bot. Gard. 69:1-580.
Luken, J.O., J.W. Thieret & J.R. Kartesz. 1993. Erucastrum gallicum (Brassicaceae): invasion and spread in North America. Sida, Contr. Bot. 15:569-582.
O'Brien, T.J. 1993. Bryochenea sachalinensis (Thuidiaceae) new to North America in south-central Alaska. The Bryologist 96:205-209.
Pryer, K. 1993. Gymnocarpium, pp. 258-262. In Flora of North America Editorial Committee (eds.), Flora of North America North of Mexico, Vol. 2. Oxford University Press, New York. 475 pp.
Pusateri, W.P., D.M. Roosa & D.L. Farrar. 1993. Habitat and distribution of plants special to Iowa's Driftless Area. J. Iowa Acad. Sci. 100:29-53.
1992
Baker, R.G., Maher, L.J., Chumbley, C.A. & K.L. Van Zant. 1992. Patterns of Holocene Environmental Change in the Midwest. Quaternary Research 37:379-389.
Cao, T., D.G. Horton & G. Chien. 1992. A revision of the genus Encalypta (Encalyptaceae, Musci) in China. Bryobrothera 1:251-268.
Cruden, R.W. & L.J. Dorr. 1992. A previously unrecognized Isidrogalvia (Liliaceae) from Bolivia. Brittonia 44:368-369.
Dorale, J.A., Gonzalez, L.A., Reagan, M.K., Picket, D., Murrell, M.J. & R.G. Baker. 1992. A high resolution record of Holocene climate change in speleothem calcite from Cold Water Cave, northeastern Iowa. Science 258:1626-1630.
Hendrix, S.D. & E.J. Trapp. 1992. Population demography of Pastinaca sativa (Apiaceae): effects of seed size on emergence, survivorship and recruitment. Amer. J. Bot. 79:365-375.
Malmer, N., D. Horton & D.H. Vitt. 1992. Elemental concentrations in mosses and surface waters of western Canadian mires relative to precipitation chemistry and hydrology. Ecography 15:114-128.
Nekola, J.C. 1992. A western range extension of Selaginella eclipse Buck in north-central Iowa. Am. Fern J. 81:68.
Rogers, K.L., Larson, E.E., Smith, G., Katzman, D., Smith, G.R., Cerling, T., Wang, Y., Baker, R.G., Lohmann, K.C., Repenning, C.A., Patterson, P. & G. Mackie. 1992. Pliocene and Pleistocene geologic and climatic evolution in the San Luis Valley of south-central Colorado. Palaeogeography, Palaeoclimatology, Palaeoecology 94:55-86.
1991
Baker, R.G., Schwert, D.P., Bettis, A.E. III, Kemmis, T.J., Horton, D.G. & H.A. Semken. 1991. Mid-Wisconsinan stratigraphy and paleoenvironments at the St. Charles site in south-central Iowa. Geological Society of America Bulletin 103:210-220.
Cruden, R.W. 1991. A revision of Isidrogalvia (Liliaceae): Recognition for Ruíz and Pavón's genus. Systematic Botany 16:270-282.
Cruden, R.W., P.J.M. Maas & H. Maas-van de Kamer. 1991. Hagenbachia (Liliaceae): Reexamination of its familial placement, its authors, the lectotype, and other collections. Taxon 40:445-452.
Hendrix, S.D., E.H. Nielsen, T. Nielsen & M. Shutt. 1991. Are small seeds always inferior to large seeds? Effects of seed mass on early seedling growth in Pastinaca sativa. New Phytologist 119:299-305.
Widrlechner, M.P. & R.K. Rabeler. 1991. Rubus parvifolius (Rosaceae), naturalized in Illinois and Iowa. Mich. Botanist 30:23-30.
1990
Baker, R.G., Chumbley, C.A., Witinok, P.M. & H.K. Kim. 1990. Holocene vegetational changes in eastern Iowa. J. Iowa Acad. Science 97:167-177.
Bettis, E.A. III, Baker, R.G., Nations, B.K. & D.W. Benn. 1990. Early Holocene pecan, Carya illinoensis in the Mississippi River valley near Muscatine, Iowa. Quat. Res. 33:102-107.
Chumbley, C.A., Baker, R.G. & E.A. Bettis III. 1990. Midwestern Holocene paleoenvironments revealed by floodplain deposits in northeastern Iowa. Science 249: 272-274.
Garry, C., D.P. Schwert, R.G. Baker, T.J. Kemmis & D. Horton. 1990. A Wisconsinan interstadial/stadial transitional record of pollen, plants and insects from Wedron, north-central Illinois (U.S.A.). Quat. Res. 30:387-399.
Melchert, T.E. 1990. New names and combinations in Cosmos (Asteraceae: Coreopsideae). Phytologia 69:189-199.
Melchert, T.E. 1990. Cosmos caudatus (Asteraceae: Coreopsideae) in Mexico: a taxonomic reappraisal. Phytologia 69:200-215.
Melchert, T.W. 1990. New taxa and new combinations in Thelesperma (Asteraceae: Coreopsideae) from Mexico. Phytologia 69:216-226.
Melchert, T.E. 1990. Cosmos ocellatus, a Bidens (Asteraceae, Coreopsideae). Phytologia 69:436-444.
Melchert, T.E. & B.L. Turner. 1990. New species, names, and combinations in Mexican Bidens (Asteraceae). Phytologia 69:20-31.
Melchert, T.E. & B.L. Turner. 1990. Bidens colimana (Asteraceae) a new white rayed perennial from Jalisco, Mexico. Phytologia 69:456-463.
Nekola, J.C. 1990. Rare Iowa plant notes from the R.V. Drexler Herbarium. J. Iowa Acad. Sci. 97:55-73.
Roseman, R.R. 1990. New species, varieties and combinations in Bidens sect. Greenmania (Asteraceae: Coreopsideae). Phytologia 69:177-188.
Vitt, D.H. & D. Horton. 1990. Rich fens in the Midwest: ecological comments and bryophytes new to Missouri. The Bryologist 93:62-65.
Vitt, D.H., D. Horton, N.G. Slack & N. Malmer. 1990. Peatlands of the hypermaritime British Columbia coast: patterns in surface water chemistry and vegetation. Canad. J. Forest Res. 20:696-711.
1989
Baker, R.G., A.E. Sullivan, G.R. Hallberg & D. Horton. 1989. Vegetational changes in western Illinois during the onset of Late Wisconsinan glaciation. Ecology 70:1363-1376.
Baker, R.G., Van Nest, J. & G. Woodworth. 1989. Dissimilarity coefficients for fossil pollen spectra from Iowa and western Illinois during the last 30,000 years. Palynology 13:63-78.
Cruden, R.W. & R. McVaugh. 1989. Echeandia, pp. 178-197. In R. McVaugh (ed.), Flora Novo-Galiciana, Vol. 15. University Michigan Herbarium.
Cruden, R.W. and S.J. Walker. 1989. Tigridia chrysantha sp. nov. p. 296, 337-338. In R. McVaugh (ed.), Flora Novo-Galiciana, Vol. 15. University of Michigan Herbarium.
Cruden, R.W. 1989. A new Echeandia (Liliaceae) from Venezuelan Guayana. Ann. Missouri Bot. Gard. 76:350.
Cruden, R.W. and R. McVaugh. 1989. Echeandia, pp. 178-197. In R. McVaugh (ed.), Flora Novo-Galiciana, Vol. 15. University Michigan Herbarium.
Hendrix, S.D. 1989. Floral herbivory and the Umbelliferae: antagonistic or mutualistic interactions, pp. 305-321. In Y. Linhart & J. Bock (eds.), Evolutionary Ecology of Plants. Westview Press, Boulder, CO.
Hendrix, S.D. & E.J. Trapp. 1989. Floral herbivory in Pastinaca sativa: do compensatory responses off-set decreases in fitness? Evolution 43:891-895.
Hendrix, S.D. & I.F. Sun. 1989. Inter- and intraspecific variation in seed mass in the Umbelliferae. New Phytologist 112:445-451.
Nekola, J.C. & T.G. Lammers. 1989. Vascular flora of the Brayton-Horsely Prairie: a remnant prairie and spring fen complex in eastern Iowa. Castanea 54:238-254.
Peck, J.H., J.C. Nekola & D.R. Farrar. 1989. Five Pteridophytes new to Iowa. Am. Fern J. 79:28-29.
NON-REFEREED PUBLICATIONS/REPORTS/CREATIVE
WORKS
2002
Slonneger, M. 2002. In The Field. A Look at the Workings of the University of Iowa Herbarium. Book Design Workshop project, School of Journalism.
Horton, D. and P. Bergstrom. 2002. University of Iowa Herbarium web site: http://www.cgrer.uiowa.edu/herbarium
Horton, D. 2002. Herbaria and Specimens: What are They? University of Iowa Herbarium web site.
Bell, J.A. & D. Horton. 2002. Specimen Restoration: A Case Study. University of Iowa Herbarium web site.
Horton, D. 2002. Iowa’s Fragile Flora. University of Iowa Herbarium web site.
Horton, D. & S. Bowers. 2002. Fragile Flora Database. University of Iowa Herbarium web site.
Horton, D. 2002. Collection History. University of Iowa Herbarium web site.
Horton, D. 2002. Collection Overview. University of Iowa Herbarium web site.
Cady, T. 2002. Vascular Plant Species Recorded at Manikowski Prairie State Preserve, Clinton County, Iowa. (230 species)
2001
Freese, E. 2001. Vascular Plant Species of Behrens Ponds and Woodland State Preserve, Linn County, Iowa. (347 species)
Cady, T. 2001. Vascular Plant Species Recorded at Gleich Conservation Easement, Wapello County, Iowa. (243 species)
Cady, T. 2001. Vascular Plant Species Recorded at Indian Bluffs State Preserve, Jones County, Iowa. (448 species)
2000
Brown, M. & E. Freese. 2000. Vascular Plant Species of Rock Creek Island State Preserve, Cedar County, Iowa. (175 species)
Horton, D., R. Bryant & T. Cady. 2000. Vascular Plant Species Recorded at Cameron Woods State Preserve, Scott County, Iowa. (89 species)
Freese, E. & M. Brown. 2000. Vascular Plant Species of Searryl’s Cave State Preserve, Jones County, Iowa. (310 species)
Cady, T. & D. Horton. 2000. Vascular Plant Species Recorded at Wood Forest Botanical Preserve, Muscatine County, Iowa. (257 species)
1999
Horton, D. & T. Cady. 1999. Vascular Plant Species Recorded at Fleming Woods State Preserve, Poweshiek County, Iowa. (166 vascular plants, 10 bryophytes)
Horton, D. & T. Cady. 1999. Vascular Plant Species Recorded at Coffman Woods Preserve, Poweshiek County, Iowa. (67 species)
Horton, D. 1999. Vascular Plant Species Recorded at Williams Prairie State Preserve (The Nature Conservancy), Johnson County, Iowa. (339 vascular plants, 8 bryophytes)
1998
Bell, J. A. & D. Horton. 1998. Restoration, Conservation and Documentation of Historically Significant Plant Specimens in the University of Iowa Herbarium. Submitted to the State Historical Society, Inc. 9 pp.
Horton, D. 1998. Vascular Plant Species Recorded at Swamp White Oak Preserve (The Nature Conservancy), Muscatine County, Iowa (326 vascular plants)
Horton, D. 1998. Vascular Plant and Bryophyte Species Recorded at Rochester Cemetery, Cedar County, Iowa (332 vascular plants, 24 bryophytes)
Horton, D. 1998. Vascular Plant and Bryophyte Species Recorded at Hanging Bog State Preserve (The Nature Conservancy), Linn County, Iowa (161 vascular plants, 22 bryophytes)
Horton, D., J. Bell & J. Ritchie. 1998. Compilation of the Iowa Endangered, Threatened and Special Concern Plant Species published in the Iowa Administrative code in 1977, 1984, 1988 and 1994 by the Iowa Department of Natural Resources
1996
Horton, D., T. O'Brien, M. MacIndoe, K. Schmidt, R. Cruden, P. Rudolph, C. Rogers, N. Klaus, O. Gode, K. Baker. 1996. An Assessment of the Natural Habitats and Biota of the Iowa Army Ammunition Plant, Middletown, Iowa. Submitted to The Nature Conservancy Field Office, Des Moines, IA. 93 pp. + 26 figs., 37 tables, 8 appendices
1992
Asch, D. & W. Green. 1992. Crops of Ancient Iowa: Native Plant Use and Farming Systems. Report submitted to the Leopold Center for Sustainable Agriculture. Office of the State Archaeologist, University of Iowa, Iowa City. 250 pp.
1990
Green, W. 1990. Glenwood Culture Paleoenvironment and Diet: Analysis of Plant and Animal Remains from the Wall Ridge Earthlodge, Mills County, Iowa. Research Papers Vol. 15, No. 6, Office of the State Archaeologist, University of Iowa, Iowa City. 46 pp.
THESES
2003
Henss, J.M. 2003. Reproductive Allocation and Germination Requirements of White Avens (Geum canadense Jacq.). B.S. Honour's Thesis, University of Iowa (Horton, Supervisor)
Hirokawa, K. 2003. Hickory Hill Park Past, Present and Future: A Vegetation Analysis and Management Plan. B.S. Honour's Thesis, University of Iowa (Horton, Supervisor)
Hraha, A. 2003. Reproductive Allocation and Germination Requirements of Geum laciniatum Murr. B.S. Honour's Thesis, University of Iowa (Horton, Supervisor)
2002
Busch, T. 2002. Life History Traits of Spring Avens (Geum vernum (Raf.) T. & G. B.S. Honour’s Thesis, University of Iowa (Horton, Supervisor)
Degen, E. 2002. Fluctuating asymmetry in fragmented populations of Monarda fistulosa. B.S. Honour’s Thesis, University of Iowa (Heard, Supervisor)
Seehawer, J. Host Associated Fitness Trade-offs and Population Structure: a Case Study of Gnorimoschema gallaesolidaginis and Its Parasitoid Copidosoma gelechiae. M.S. Thesis, University of Iowa (Heard, Supervisor)
2001
Blair, A. 2001. Seed Production and Seedling Competition in Garlic Mustard (Alliaria petiolata (Bieb.) Cavers & Grande): Implications for Management. B.S. Honour’s Thesis, University of Iowa (Horton, Supervisor)
Hines, H.M. 2001. Floral Resources and Bumblebee Diversity in a Fragmented Landscape. B.S. Honour’s Thesis, University of Iowa (Hendrix, Supervisor)
Kasperbauer, A. 2001. Genetic differentiation of rosette gall forming Rhopalomyia (Diptera: Cecidomyidae) flies; evidence of parallel host forms among goldenrod herbivores. B.S. Honour’s Thesis, University of Iowa (Heard, Supervisor)
Lehnertz, L. 2001. Impacts of Herbivory in a Goldenrod/Insect Community: Effects of Early-season Herbivores on Host Plants and a Late-season Herbivore. M.S. Thesis, University of Iowa (Heard, Supervisor)
1999
Hovick, S.M. 1999. The Effects of Population Size and Fire on Reproduction and Herbivory in the Prairie Rose (Rosa arkansana: Rosaceae). B.S. Honour’s Thesis, University of Iowa (Hendrix, Supervisor)
Lehnertz, L. 1999. Interactions Between Phytophagous Insects and Their Host Plants. B.S. Honour’s Thesis, University of Iowa (Heard, Supervisor)
Lewis, C.K. 1999. The Effects of Habitat Fragmentation on Amorpha canescens, a prairie forb, and its associated herbivores. M.S. Thesis, University of Iowa (Hendrix, Supervisor)
Niehaus, A.C. 1999. Artificial Nest Studies: Are Qual Eggs Too Large to Determine an Edge Effect? B.S. Honour’s Thesis, University of Iowa (Hendrix, Supervisor)
1998
Strickland, L.E. 1998. Taphonomy Of Plant Remains In Prairie Creek, Nerstrand Big Woods State Park, Rice County, Minnesota: A Modern Analog For Paleoenvironmental Interpretation. M.S. Thesis, University of Iowa (Baker, Supervisor)
1997
Dunne, M. 1997. Paleoethnobotany of the Gast Spring Site (13LA152). B.S. Honour’s Thesis, University of Iowa (Green, Supervisor)
Hodgson, N. 1997. B.S. Honour’s Thesis, University of Iowa (Heard, Supervisor)
Kyhl, J.F. 1997. The Effects of Habitat Fragmentation on Phlox pilosa. M.S. Thesis, University of Iowa (Hendrix, Supervisor)
Molano-Flores, B. 1997. The Effects of Population Density, Population Size and Mating System on the Reproductive Success of Three Prairie Species in Iowa. Ph.D. Thesis, University of Iowa (Hendrix, Supervisor)
Page, J.M. 1997. The Effects of Habitat Fragmentation on the Mycorrhizal Association of Phlox pilosa L., Prairie Phlox. M.S. Thesis, University of Iowa (Hendrix, Supervisor)
1996
Anderson, L. 1996. Species Richness of Butterflies in Prairie Remnants in East-Central Iowa. B.S. Honour’s Thesis, University of Iowa (Hendrix, Supervisor)
Krieg, J. 1996. Holocene Alluvial Stratigraphy, Paleoecology, Archaeological Potential Of The Erickson Creek Drainage Basin, Story County, Iowa. M.S. Thesis, University of Iowa (Baker, Supervisor)
Park, L.S. 1996. A Comparative Study of Vesicular-Arbuscular Mycorrhizal Fungi Infection of Phlox pilosa in Roadside Remnants and Preserves. B.S. Honour’s Thesis, University of Iowa (Hendrix, Supervisor)
Schmidt, L.S. 1996. Substrate Preferences of Midwest Mosses. B.S. Honour’s Thesis, University of Iowa (Horton, Supervisor)
Snyder, K.E. 1996. Seed Germination Patterns of Ratibida pinnata (Compositae) and Veronicastrum virginicum (Scrophulariaceae). B.S. Honour’s Thesis, University of Iowa (Hendrix, Supervisor)
Van Nest, J. 1996. Late Quaternary Geology, Archeology And Vegetation In West-Central Illinois: A Study In Geoarcheology. Ph.D. Thesis, University of Iowa (Baker, Supervisor)
1995
Bowers, M.S. 1995. Effects of Population Size and Community Structure on Pollen Movement in Phlox pilosa. B.S. Honour’s Thesis, University of Iowa (Malanson, Supervisor)
Thompson, S.A. 1995. Systematics in Biology of the Araceae & Acoraceae of Temperate North America. Ph.D. Thesis, University of Illinois, Chapaigne-Urbana. 572 pp.
1994
Drake, P. 1994. The Macrofossil Assemblages from Mud Creek and Cayler Prairie. B.S. Honors Thesis, University of Iowa (Baker, Supervisor)
Hanson, D.L. 1994. Growth and Production in Species of Atrichum (Musci). B.S. Honour’s Thesis, University of Iowa (Horton, Supervisor)
Nekola, J. 1994. Ecology and Biogeography of Isolated Habitats: Fens and Algific Talus Slopes in Northeast Iowa. Ph.D. Thesis, University of North Carolina, Chapel Hill. 223 pp.
1993
Jones, D.W. 1993. The Role of Chenopodium in Mill Creek Agricultural Systems. B.S. Honour’s Thesis, University of Iowa (Green, Supervisor)
1992
Tolmie, C. 1992. Archaeology and Paleoethnobotany of Blood Run (13L02), Lyon County, Iowa. B.S. Honour’s Thesis, University of Iowa (Green, Supervisor)
Contributions to the Flora of North America North of Mexico (not yet published)
Argus, G., Salix
Breil, D. Radula
Cholewa, A. Sisyrinchium
Hastings, R. Grimmia, Schistidium
Hicks, M. Asterella
Magrath, L. Corallorhiza
Marino, P. Splachnaceae
Martinez-Laborde, J. Diplotaxis
Redfearn, P. Leucobryum
Reznichek, A. Carex
Sheviak, C. Platanthera
Thompson, S. Araceae
Vitt, D.H. Meesiaceae, Orthotrichaceae, Seligeriaceae