Refereed Publications
| Pigg, K. B., M. L. DeVore and W. C. Wehr. 2005. Filicalean ferns from the Tertiary of western North America: Osmunda L. (Osmundaceae: Pteridophyta), Woodwardia Sm. (Blechnaceae: Petridophyta), and onocleoid ferms (Filicales: Pteridophyta). Fern Gazette: in review. | ||
| Pigg, K. B., and H. Nishida. The significance of silicified plant remains to the understanding of Glossopteris-bearing plants. Bulletin of the Torrey Botanical Club in review. | ||
| Pigg, K. B., and M. L. DeVore. 2005. An Actaea-like fruit (Ranunculaceae) from the Paleogene of North Dakota and the London Clay. American Journal of Botany 92 (9) in press | ||
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Ickert-Bond, S. M., K. B. Pigg, and J. Wen. 2005. Comparative infructescence morphology in Liquidambar L. (Altingiaceae) and its evolutionary significance. American Journal of Botany 92 (8) in press. |
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| DeVore, M. L, Pigg, K. B., and W. C. Wehr. 2005. Systematics and phytogeography of selected Okanagan Highlands plants. Canadian Journal of Earth Sciences 42: 205-214. | ||
| Pigg, K. B., and M. L. DeVore. 2005. Shirleya grahamae gen. et sp. nov. (Lythraceae), Lagerstroemia-like fruits from the middle Miocene Yakima Canyon flora, central Washington state, USA. American Journal of Botany 92: 77-107. http://www.ajbbot.org | ||
| Radtke, M. G., K. B. Pigg, and W. C. Wehr. 2005. Fossil Corylopsis and Fothergilla leaves (Hamamelidaceae) from the lower-middle Eocene flora of Republic, Washington, USA and their evolutionary and biogeographic significance. International Journal of Plant Sciences 166: 347-356. http://www.journals.uchicago.edu/IJPS | ||
| DeVore, M. L., S. M. Moore, K. B. Pigg, and W. C. Wehr. 2004. Fossil Neviusia leaves (Rosaceae: Kerriae) from the lower-middle Eocene of southern British Columbia. Rhodora 106: 197-209. | ||
| Nishida, H., K. B. Pigg, and J. Rigby. 2004. Zooidogamy of the late Permian Glossopteris. Journal of Plant Research 117: 323-328 | ||
| Pigg, K. B., S. M. Ickert-Bond, and J. Wen. 2004. Anatomically preserved Liquidambar (Altingiaceae) from the middle Miocene of Yakima Canyon, Washington state, USA, and its biogeographic implications. American Journal of Botany 91: 499-509. http://www.amjbot.org | ||
| Pigg, K. B., S. R. Manchester, and W. C. Wehr. 2003 Corylus, Carpinus and Palaeocarpinus (Betulaceae) from the middle Eocene Klondike Mountain and Allenby Formations of northwestern North America. International Journal of Plant Sciences 164: 807-822. http://www.journals.uchicago.edu/IJPS | ||
| Nishida, H., K.B. Pigg and J. F. Rigby. 2003. Swimming sperm in an extinct Gondwanan plant. Nature 422:396-397. http://www.nature.com/ | ||
| Pigg, K. B. 2001. Isoetalean lycopsid evolution: from the Devonian to the present. American Fern Journal 91: 99-114. | ||
| Pigg, K. B., and G. W. Rothwell. 2001. Anatomically preserved Woodwardia virginica (Blechnaceae) and a new filicalean fern from the middle Miocene Yakima Canyon flora of central Washington, USA. American Journal of Botany 88:777-787. http://www.amjbot.org | ||
| Pigg, K. B., W. C. Wehr, and S. M. Ickert-Bond. 2001. Trochodendron and Nordenskioldia (Trochodendraceae) from the middle Eocene of Washington State, USA. International Journal of Plant Sciences 162: 1187-1198. http://www.journals.uchicago.edu/IJPS | ||
| Borgardt, S. J., and K. B. Pigg. 1999. Petrified acorns from the Miocene of North America and their significance to the evolution of Quercus L. (Fagaceae). American Journal of Botany 86:307-325. http://www.amjbot.org | ||
| Stockey, R. A., B. A. LePage, and K. B. Pigg. 1998. Permineralized fruits of Diplopanax (Cornaceae, Mastixioideae) from the middle Eocene Princeton chert of British Columbia. Review of Palaeobotany and Palynology 103: 223-234. http://www.elsevier.com/locate/revpalbo/ | ||
| Pigg, K. B., and S. McLoughlin. 1997. Anatomically preserved Glossopteris leaves from the Bowen and Sydney Basins, Australia. Review of Palaeobotany and Palynology 97: 339-359. http://www.elsevier.com/locate/revpalbo/ | ||
| Chitaley, S. D., and K. B. Pigg. 1996. Clevelandodendron ohioensis, gen. et sp. nov., a slender upright lycopod from the Late Devonian Cleveland Shale of Ohio. Amercan Journal of Botany 83: 781-789.http://www.amjbot.org | ||
| Pigg, K. B., and M. L. Trivett. 1994. Evolution of the glossopterid gymnosperms from Permian Gondwana. Evolution of pteridophytes and gymnosperms symposium. G. W. Rothwell and H. Nishida, eds. Journal of Plant Research. 107: 461-477. | ||
| Stockey, R. A., and K. B. Pigg. 1994. Vegetative growth of Eorhiza arnoldii Robison and Person from the Middle Eocene Princeton chert locality of British Columbia. International Journal of Plant Sciences 155: 606-616. http://www.journals.uchicago.edu/IJPS | ||
| Pigg, K. B., R. A. Stockey, and S. L. Maxwell. 1993. Paleomyrtinaea princetonensis gen. et sp. nov., permineralized myrtaceous fruits and seeds from the Princeton chert and related Myrtaceae from Almont, North Dakota. Canadian Journal of Botany 71: 1-9. | ||
| Pigg, K. B., and T. N. Taylor. 1993. Anatomically preserved Glossopteris stems with attached leaves from the central Transantarctic Mountains, Antarctica. American Journal of Botany 80: 500-516. http://www.amjbot.org | ||
| Tidwell, W. D., and K. B. Pigg. 1993. New species of Osmundacaulis emend. from Tasmania, Australia. Palaeontographica (Festband Schweitzer, 1. Teil) 230B: 141-158. | ||
| Pigg, K. B. 1992. Evolution of isoetalean lycopsids. Annals of the Missouri Botanical Garden 79: 589-612. | ||
| Ash, S., and K. B. Pigg. 1991. A new Jurassic Isoetites (Isoetales) from the Wallowa Terrane in Hells Canyon Oregon and Idaho. American Journal of Botany 78: 1636-1642. http://www.amjbot.org | ||
| Cevallos-Ferriz, S. R. S., R. A. Stockey, and K. B. Pigg. 1991. The Princeton chert: Evidence for in situ aquatic plants. Review of Palaeobotany and Palynology 70: 173-185. http://www.elsevier.com/locate/revpalbo/ | ||
| Pigg, K. B., and R. A. Stockey. 1991. Platanaceous plants from the Paleocene of Alberta, Canada. Review of Palaeobotany and Palynology 70: 125-146. http://www.elsevier.com/locate/revpalbo/ | ||
| Stockey, R. A., and K. B. Pigg. 1991. Flowers and fruits of Princetonia allenbyensis (Magnoliopsida fam. indet.) from the Middle Eocene of British Columbia. Review of Palaeobotany and Palynology 70: 163-172. http://www.elsevier.com/locate/revpalbo/ | ||
| Pigg, K. B. 1990a. Anatomically preserved Glossopteris foliage from the central Transantarctic Mountains. Review of Palaeobotany and Palynology 66: 105-127. http://www.elsevier.com/locate/revpalbo/ | ||
| Pigg, K. B. 1990b. Anatomically preserved Dicroidium foliage from the central Transantarctic Mountains. Review of Palaeobotany and Palynology 66: 129-145. http://www.elsevier.com/locate/revpalbo/ | ||
| Pigg, K. B., T. N. Taylor, and R. A. Stockey. 1987c. Studies of Paleozoic seed ferns: Heterangium kentuckyensis sp. nov., from the Upper Carboniferous of North America. American Journal of Botany 74: 1184-1204. http://www.amjbot.org/ | ||
| Pigg, K. B., R. A. Stockey, and T. N. Taylor. 1986. Studies of Paleozoic seed ferns: Additional studies of Microspermopteris aphyllum Baxter. Botanical Gazette 147: 126-136. http://www.journals.uchicago.edu/IJPS | ||
| Pigg, K. B., and G. W. Rothwell. 1985. Cortical development in Chaloneria cormosa (Isoetales), and the biological derivition of compressed lycophyte decortication taxa. Palaeontology 28: 545-553. | ||
| Pigg, K. B., and T. N. Taylor. 1985a. Cormophyton gen. nov., a cormose lycopod from the Mazon Creek flora. Review of Palaeobotany and Palynology 44: 165-181. http://www.elsevier.com/locate/revpalbo/ | ||
| Pigg, K. B. 1983. The morphology and reproductive biology of the sigillarian cone Mazocarpon. Botanical Gazette144: 600-613.http://www.journals.uchicago.edu/IJPS | ||
| Pigg, K. B., and G. W. Rothwell. 1983a. Chaloneria, gen. nov., heterosporous lycophytes from the Pennsylvanian of North America. Botanical Gazete 144: 132-147. http://www.journals.uchicago.edu/IJPS | ||
| Pigg, K. B., and G. W. Rothwell. 1983b. Megagametophyte development in the Chaloneriaceae fam. nov., permineralized Paleozoic Isoetales (Lycopsida). Botanical Gazette144: 295-302. http://www.journals.uchicago.edu/IJPS | ||
| Pigg, K. B., and G. W. Rothwell. 1979. Stem-root transition of an Upper Pennsylvanian woody lycopsid. American Journal of Botany 66: 914-924. http://www.amjbot.org |
Nonrefereed Papers, Brief Papers and Commentary
| Pigg, K. B., and W. C. Wehr. 2002. Tertiary flowers, fruits and seeds of Washington State and adjacent areas--Part III. Washington Geology 30: 3-20. http://www.dnr.wa.gov/ |
| DeVore, M. L., and K. B. Pigg. 2002. Paleobotany. Highlights Issue. Geotimes. http://www.agiweb.org/geotimes/ |
| Pigg, K. B., and M. L. DeVore. 2001. Paleobotany. Highlights Issue. Geotimes. |
| Pigg, K. B. 2000. Paleobotany. Highlights Issue. Geotimes 45:36-37. |
| Pigg, KB. 1999. Paleobotany. Highlights Issue. Geotimes 44: 43-45. |
| Pigg, K. B., and R. A. Stockey. 1996. The significance of the Princeton chert permineralized flora to the Middle Eocene upland biota of the Okanogan Highlands. Washington Geology 24: 32-36. |
| Pigg, K. B., W. C. Davis and S. A. Ash. 1995. Anatomically preserved plant reproductive structures from the Upper Triassic Chinle Formation in Petrified Forest National Park, Arizona. In: V. L. Santucci and L. McClelland, [eds.], National Park Service Paleontological Research, Technical Report NSP/NRPO/NRTR-95/16, U.S.Dept of the Interior, National Park Service, Natural Resources Publication Office, Denver. p.106-108. |
| Pigg, K. B., S. R. Ash, and W. C. Davis. 1993. A new permineralized Upper Triassic flora from Petrified Forest National Park, Arizona: a preliminary report. In: Lucas, S. G., and M. Morales, eds. The Nonmarine Triassic. New Mexico Mususem of Natural History & Science Bulletin No. 3, Albuquerque. p. 411-413. |
| Pigg, K. B., and T. N. Taylor. 1987a. Anatomically preserved Glossopteris from Antarctica. VII Simposio Argentino de Palaeobotanica y Palinologica Actas, Buenos Aires: 177-180. |
| Pigg, K. B., and T. N. Taylor. 1987b. Anatomically preserved Dicroidium from the Transantarctic Mountains. Antarctic Journal of the U. S. (1987 Review) 22: 28-29. |
| Pigg, K. B., and T. N. Taylor. 1985b. Anatomically preserved Glossopteris from the Beardmore Glacier area of Antarctica. Antarctic Journal of the U.S. 19: 8-10. |
Book Chapters
| Trivett, M. L., and K. B. Pigg. 1996. A survey of reticulate venation among fossil and living land plants. in: D. W. Taylor and L. J. Hickey, [eds.]. Flowering plant origin, evolution and phylogeny. Chapman and Hall, New York. p. 8-31. |
| Pigg, K. B., and T. N. Taylor. 1990. Permineralized Glossopteris and Dicroidium from Antarctica. in: T. N. Taylor and E. L. Taylor., [eds.] Antarctic paleobiology and its role in the reconstruction of Gondwana. Springer-Verlag, p. 164-172. |