| A fossil grass (Gramineae: Chloridoideae) from the Miocene with Kranz anatomy JR Thomasson, ME Nelson, RJ Zakrzewski Science 233 (4766), 876-878, 1986 | 145 | 1986 |
| Diversity in leaf anatomy, and stomatal distribution and conductance, between salt marsh and freshwater species in the C4 genus Spartina (Poaceae) BR Maricle, NK Koteyeva, EV Voznesenskaya, JR Thomasson, ... New Phytologist 184 (1), 216-233, 2009 | 117 | 2009 |
| Late Cenozoic grasses and other angiosperms from Kansas, Nebraska and Colorado: Biostratigraphy and relationships to living taxa JR Thomasson | 113 | 1979 |
| Fossils grasses JR Thomasson Systematics and Evolution, 159-167, 1987 | 99 | 1987 |
| Epidermal patterns of the lemma in some fossil and living grasses and their phylogenetic significance JR Thomasson Science 199 (4332), 975-977, 1978 | 94 | 1978 |
| Fossil grass anthoecia within Miocene rhinoceros skeletons: diet in an extinct species MR Voorhies, JR Thomasson Science 206 (4416), 331-333, 1979 | 92 | 1979 |
| Overview of the Late Cretaceous, early Paleocene, and early Eocene megafloras of the Denver Basin, Colorado KR Johnson, ML Reynolds, KW Werth, JR Thomasson Rocky Mountain Geology 38 (1), 101-120, 2003 | 67 | 2003 |
| Miocene fossil grasses: possible adaptation in reproductive bracts (lemma and palea) JR Thomasson Annals of the Missouri Botanical Garden, 843-851, 1985 | 60 | 1985 |
| Ant-nest ichnofossils in honeycomb calcretes, Neogene Ogallala Formation, High Plains region of western Kansas, USA JJ Smith, BF Platt, GA Ludvigson, JR Thomasson Palaeogeography, Palaeoclimatology, Palaeoecology 308 (3-4), 383-394, 2011 | 43 | 2011 |
| Self-supporting thermally-protective plant enclosure formed by self-standing container bodies JR Thomasson, J Van Dyke US Patent 5,509,229, 1996 | 35 | 1996 |
| Fossil plants from the late Miocene Ogallala Formation of central North America: possible paleoenvironmental and biostratigraphic significance JR Thomasson, TC Gustavson Geologic Framework and Regional Hydrology: Upper Cenozoic Blackwater Draw …, 1990 | 35 | 1990 |
| Carex graceii sp. n., Cyperocarpus eliasii sp. n., Cyperocarpus terrestris sp. n., and Cyperocarpus pulcherrima sp. n.(Cyperaceae) from the Miocene of Nebraska JR Thomasson American Journal of Botany 70 (3), 435-449, 1983 | 32 | 1983 |
| Archaeoleersia nebraskensis gen. et sp. nov.(Gramineae‐Oryzeae), a new fossil grass from the late Tertiary of Nebraska JR Thomasson American Journal of Botany 67 (6), 876-882, 1980 | 32 | 1980 |
| Observations on the characteristics of the lemma and palea of the late Cenozoic grass Panicum elegans JR Thomasson American Journal of Botany 65 (1), 34-39, 1978 | 32 | 1978 |
| Lemma epidermal features in the North American species of Melica and selected species of Briza, Catabrosa, Glyceria, Neostapfia, Pleuropogon, and Schizachne (Gramineae) JR Thomasson Systematic Botany, 253-262, 1986 | 31 | 1986 |
| A late Miocene (late early Hemphillian) biota from northwestern Kansas JR Thomasson, RJ Zakrzewski, HE LaGarry, DE Mergen National Geographic Research 6 (2), 231-244, 1990 | 30 | 1990 |
| Paleoeriocoma (Gramineae, Stipeae) from the Miocene of Nebraska: Taxonomic and phylogenetic significance JR Thomasson Systematic Botany, 233-240, 1980 | 28 | 1980 |
| Miocene grass (Gramineae: Arundinoideae) leaves showing external micromorphological and internal anatomical features JR Thomasson Botanical Gazette 145 (2), 204-209, 1984 | 26 | 1984 |
| Sediment-borne “seeds” from Sand Creek, northwestern Kansas: taphonomic significance and paleoecological and paleoenvironmental implications JR Thomasson Palaeogeography, Palaeoclimatology, Palaeoecology 85 (3-4), 213-225, 1991 | 24 | 1991 |
| Late Miocene plants from northeastern Nebraska JR Thomasson Journal of Paleontology 61 (5), 1065-1079, 1987 | 24 | 1987 |
