| Evolution of isoetalean lycopsids KB Pigg Annals of the Missouri Botanical Garden, 589-612, 1992 | 154 | 1992 |
| Isoetalean lycopsid evolution: from the Devonian to the present KB Pigg American Fern Journal 91 (3), 99-114, 2001 | 140 | 2001 |
| Chaloneria gen. nov.; heterosporous lycophytes from the Pennsylvanian of North America KB Pigg, GW Rothwell Botanical Gazette 144 (1), 132-147, 1983 | 127 | 1983 |
| The Fossil History of Quercus E Barrón, A Averyanova, Z Kvaček, A Momohara, KB Pigg, S Popova, ... Oaks physiological ecology. Exploring the functional diversity of genus …, 2017 | 100 | 2017 |
| A brief review of the fossil history of the family Rosaceae with a focus on the Eocene Okanogan Highlands of eastern Washington State, USA, and British Columbia, Canada ML DeVore, KB Pigg Plant Systematics and Evolution 266, 45-57, 2007 | 95 | 2007 |
| Platanaceous plants from the Paleocene of Alberta, Canada KB Pigg, RA Stockey Review of Palaeobotany and Palynology 70 (1-2), 125-146, 1991 | 80 | 1991 |
| Tertiary flowers, fruits, and seeds of Washington State and adjacent areas-Part III KB Pigg, WC Wehr Washington Geology 30 (3/4), 3-16, 2002 | 77 | 2002 |
| Comparative infructescence morphology in Liquidambar (Altingiaceae) and its evolutionary significance SM Ickert‐Bond, KB Pigg, J Wen American Journal of Botany 92 (8), 1234-1255, 2005 | 76 | 2005 |
| Anatomically preserved Glossopteris stems with attached leaves from the central Transantarctic Mountains, Antarctica KB Pigg, TN Taylor American Journal of Botany 80 (5), 500-516, 1993 | 67 | 1993 |
| Corylus, Carpinus, and Palaeocarpinus (Betulaceae) from the Middle Eocene Klondike Mountain and Allenby Formations of Northwestern North America KB Pigg, SR Manchester, WC Wehr International Journal of Plant Sciences 164 (5), 807-822, 2003 | 65 | 2003 |
| The Princeton chert: evidence for in situ aquatic plants SRS Cevallos-Ferriz, RA Stockey, KB Pigg Review of Palaeobotany and Palynology 70 (1-2), 173-185, 1991 | 65 | 1991 |
| Anatomically preserved Glossopteris foliage from the central Transantarctic Mountains KB Pigg Review of Palaeobotany and Palynology 66 (1-2), 105-127, 1990 | 59 | 1990 |
| Paleomyrtinaea, a new genus of permineralized myrtaceous fruits and seeds from the Eocene of British Columbia and Paleocene of North Dakota KB Pigg, RA Stockey, SL Maxwell Canadian Journal of Botany 71 (1), 1-9, 1993 | 56 | 1993 |
| Anatomically preserved Liquidambar (Altingiaceae) from the middle Miocene of Yakima Canyon, Washington state, USA, and its biogeographic implications KB Pigg, SM Ickert‐Bond, J Wen American Journal of Botany 91 (3), 499-509, 2004 | 52 | 2004 |
| Structural, physiological, and stable carbon isotopic evidence that the enigmatic Paleozoic fossil Prototaxites formed from rolled liverwort mats LE Graham, ME Cook, DT Hanson, KB Pigg, JM Graham American Journal of Botany 97 (2), 268-275, 2010 | 51 | 2010 |
| Floristic composition and comparison of middle Eocene to late Eocene and Oligocene floras in North America ML DeVore, KB Pigg Bulletin of Geosciences 85 (1), 111, 2010 | 51 | 2010 |
| Trochodendron and Nordenskioldia (Trochodendraceae) from the Middle Eocene of Washington State, U.S.A. KB Pigg, WC Wehr, SM Ickert-Bond International Journal of Plant Sciences 162 (5), 1187-1198, 2001 | 51 | 2001 |
| Clevelandodendron ohioensis, gen. et sp. nov., a slender upright lycopsid from the late Devonian Cleveland Shale of Ohio S Chitaley, KB Pigg American Journal of Botany 83 (6), 781-789, 1996 | 51 | 1996 |
| Anatomically preserved Dicroidium foliage from the central Transantarctic Mountains KB Pigg Review of Palaeobotany and Palynology 66 (1-2), 129-145, 1990 | 50 | 1990 |
| Anatomical and developmental study of petrified Quercus (Fagaceae) fruits from the Middle Miocene, Yakima Canyon, Washington, USA SJ Borgardt, KB Pigg American Journal of Botany 86 (3), 307-325, 1999 | 49 | 1999 |
Steven R. ManchesterCurator of Paleobotany, Florida Museum of Natural History, University of Florida在 ufl.edu 的电子邮件经过验证
