Beryl B. Simpson
#97,128
Most Influential Person Now
American botanist and Professor Emeritus
Beryl B. Simpson's AcademicInfluence.com Rankings
Beryl B. Simpsonbiology Degrees
Biology
#5144
World Rank
#7555
Historical Rank
#1824
USA Rank
Botany
#187
World Rank
#795
Historical Rank
#56
USA Rank
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Biology
Beryl B. Simpson's Degrees
- PhD Botany University of Texas at Austin
- Masters Botany University of Texas at Austin
- Bachelors Botany University of Texas at Austin
Why Is Beryl B. Simpson Influential?
(Suggest an Edit or Addition)According to Wikipedia, Beryl B. Simpson is a professor emerita in the Department of Integrative Biology at the University of Texas at Austin. Previously she was an associate curator at the Smithsonian National Museum of Natural History in the Department of Botany. She studies plant systematics and tropical botany, focusing on angiosperms found in the American Southwest, Mexico, and Central and South America. She was awarded the José Cuatrecasas Medal for Excellence in Tropical Botany for her decades of work on the subject.
Beryl B. Simpson's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Paraphyly of Tarasa (Malvaceae) and Diverse Origins of the Polyploid Species (2003) (491)
- Evolution and environment in tropical America (1997) (401)
- Pleistocene Changes in the Fauna and Flora of South America (1971) (393)
- Floral Rewards: Alternatives to Pollen and Nectar (1981) (257)
- Economic Botany: Plants in Our World (1986) (250)
- Components of regulation of a population of dandelions in Michigan. (1974) (223)
- Pleistocene changes in the flora of the high tropical Andes (1975) (213)
- THE ORIGIN AND EVOLUTIONARY DEVELOPMENT OF HETEROSTYLY IN THE ANGIOSPERMS (1967) (201)
- The phylogenetic history and biogeography of the frankincense and myrrh family (Burseraceae) based on nuclear and chloroplast sequence data. (2005) (188)
- Speciation Patterns in the Amazonian Forest Biota (1978) (164)
- Conflicting phylogenomic signals reveal a pattern of reticulate evolution in a recent high-Andean diversification (Asteraceae: Astereae: Diplostephium). (2017) (137)
- Phylogenetic Relationships and Chromosome Number Evolution in Passiflora (2006) (128)
- A Revision of the Genus Polylepis (Rosaceae: Sanguisorbeae) (1979) (116)
- Mesquite, its biology in two desert scrub ecosystems. (1978) (113)
- The Phylogeny of Linum and Linaceae Subfamily Linoideae, with Implications for Their Systematics, Biogeography, and Evolution of Heterostyly (2009) (111)
- PHYLOGENY OF AGAVACEAE BASED ON ITS RDNA SEQUENCE VARIATION (1996) (107)
- High-resolution phylogeny for Helianthus (Asteraceae) using the 18S-26S ribosomal DNA external transcribed spacer. (2007) (96)
- Incongruence between gene trees and species trees and phylogenetic signal variation in plastid genes. (2019) (93)
- Biogeography and Breeding System Evolution of the Woody Bencomia Alliance (Rosaceae) in Macaronesia Based on ITS Sequence Data (2000) (91)
- Glacial Migrations of Plants: Island Biogeographical Evidence (1974) (90)
- A GARDEN EXPERIMENT ON COMPETITION BETWEEN BIOTYPES OF THE COMMON DANDELION (TARAXACUM OFFICINALE) (1977) (88)
- Krameria, free fatty acids and oil-collecting bees (1977) (81)
- Phylogenetic relationships within the tribe Malveae (Malvaceae, subfamily Malvoideae) as inferred from ITS sequence data. (2005) (78)
- Magnetovibrio blakemorei gen. nov., sp. nov., a magnetotactic bacterium (Alphaproteobacteria: Rhodospirillaceae) isolated from a salt marsh. (2013) (78)
- The roles of phenology and reward structure in the pollination biology of wild sunflower (Helianthus annuus L., Asteraceae). (1990) (70)
- The biogeography of the austral, subalpine genus Ourisia (Plantaginaceae) based on molecular phylogenetic evidence: South American origin and dispersal to New Zealand and Tasmania (2006) (69)
- The evolution of a pollen diet: Host choice and diet breadth of Andrena bees (Hymenoptera: Andrenidae) (2011) (68)
- The biogeography of Hoffmannseggia (Leguminosae, Caesalpinioideae, Caesalpinieae): a tale of many travels (2004) (64)
- A Chloroplast DNA Study of the Agavaceae (1995) (61)
- PATTERNS AND PROCESSES IN THE DEVELOPMENT OF THE HIGH ANDEAN FLORA (1990) (60)
- CHROMOSOME NUMBERS IN SOUTH AMERICAN COMPOSITAE (1979) (58)
- Consequences of frugivore‐mediated seed dispersal for the spatial and genetic structures of a neotropical palm (2012) (53)
- Hybrid Origin and Parentage of Dendrochilum acuiferum (Orchidaceae) Inferred in a Phylogenetic Context Using Nuclear and Plastid DNA Sequence Data (2009) (50)
- Multiple origins of the yucca-yucca moth association. (1995) (45)
- Breeding systems of dominant perennial plants of two disjunct warm desert ecosystems (1977) (43)
- Plants, Their Pollinating Bees, and the Great American Interchange (1985) (43)
- Acacia : the case against moving the type to Australia (2005) (42)
- Species Relationships in Krameria (Krameriaceae) Based on ITS Sequences and Morphology: Implications for Character Utility and Biogeography (2004) (42)
- Molecular phylogenetic analysis of Commiphora (Burseraceae) yields insight on the evolution and historical biogeography of an "impossible" genus. (2007) (42)
- Breeding system evolution in Tarasa (Malvaceae) and selection for reduced pollen grain size in the polyploid species. (2004) (40)
- Phylogeny of the Callandrena subgenus of Andrena (Hymenoptera: Andrenidae) based on mitochondrial and nuclear DNA data: polyphyly and convergent evolution. (2006) (40)
- Free 3-acetoxyfatty acids in floral glands of Krameria species (1978) (35)
- The Importance of Traditional Ecological Knowledge for Palm-weevil Cultivation in the Venezuelan Amazon (2009) (35)
- Pollination Ecology in the Southwest (1987) (33)
- Nesting and foraging behavior of Andrena (Callandrena) rudbeckiae Robertson (Hymenoptera: Apoidea: Andrenidae) in Texas (1997) (32)
- Pollination biology and taxonomy of Dinemandra and Dinemagonum (Malpighiaceae) (1989) (29)
- Floral Biology and Floral Rewards of Lysimachia (Primulaceae) (1983) (29)
- The production of floral oils byMonttea (Scrophulariaceae) and the function of tarsal pads inCentris bees (1990) (29)
- A Systematic Study of Machaeranthera (Asteraceae) and Related Groups Using Restriction Site Analysis of Chloroplast DNA (1992) (29)
- Molecular genetic evidence for interspecific hybridization among endemic Hispaniolan Bursera (Burseraceae). (2004) (28)
- Lipids from the floral glands of Krameria (1979) (27)
- An Historical Phytogeography of the High Andean Flora * Fitogeograffa hist 6 rica de la Flora (2008) (26)
- POLLEN MORPHOLOGY AND ULTRASTRUCTURE OF KRAMERIA (KRAMERIACEAE): UTILITY IN QUESTIONS OF INTRAFAMILIAL AND INTERFAMILIAL CLASSIFICATION (1981) (26)
- Geographie floristique du Quebec-Labrador, Distribution des principales especes vasculaires (1975) (24)
- Glacial climates in the eastern tropical South Pacific (1975) (24)
- Molecular phylogenetics of Linaceae with complete generic sampling and data from two plastid genes (2011) (24)
- A textbook of economic botany (2008) (24)
- Phylogeny and evolution of Perezia (Asteraceae: Mutisieae: Nassauviinae) (2009) (23)
- A PHYLOGENETIC ASSESSMENT OF BREEDING SYSTEMS AND FLORAL MORPHOLOGY OF NORTH AMERICAN IPOMOEA (CONVOLVULACEAE) (2011) (22)
- Pterandra pyroidea: a case of pollination shift within neotropical Malpighiaceae. (2011) (21)
- Vogel’s great legacy: The oil flower and oil-collecting bee syndrome (2017) (20)
- Phylogeny and Character Evolution in Nierembergia (Solanaceae): Molecular, Morphological, and Cytogenetic Evidence (2009) (20)
- KRAMERIA (KRAMERIACEAE) FLOWERS: ORIENTATION AND ELAIOPHORE MORPHOLOGY (1982) (20)
- Origin of High-Elevation Dendrochilum Species (Orchidaceae) Endemic to Mount Kinabalu, Sabah, Malaysia (2001) (19)
- The circumscription ofHoffmannseggia (Fabaceae, Caesalpinioideae, Caesalpinieae) and its allies using morphological and cpDNA restriction site data (2005) (19)
- Phylogenetic Analysis of Chloroplast DNA in North American Gutierrezia and Related Genera (Asteraceae: Astereae) (1990) (17)
- Systematics: The Science of BiodiversityUse of a systematic perspective is burgeoning, and the need for the field is becoming ever greater (1995) (17)
- The past and present uses of rhatany (Krameria, Krameriaceae) (1991) (16)
- Reproductive biology of Tinantia anomala (Commelinaceae) (1986) (16)
- Phylogeny and Biogeography of Pomaria (Caesalpinioideae: Leguminosae) (2006) (16)
- Phylogeny and Character Evolution of Hoffmannseggia (Caesalpinieae: Caesalpinioideae: Leguminosae) (2004) (15)
- CONTRASTING MODES OF EVOLUTION IN TWO GROUPS OF PEREZIA(MUTISIEAE; COMPOSITAE) OF SOUTHERN SOUTH AMERICA (1973) (15)
- Flora of Panama. Part IX. Family 184. Compositae (1975) (15)
- Seasonal variation of a plant-pollinator network in the Brazilian Cerrado: Implications for community structure and robustness (2019) (15)
- New Combinations in Pomaria (Caesalpinioideae: Leguminosae) (2003) (14)
- The genera of Lactuceae (Compositae) in the southeastern United States (1973) (14)
- A Revision of Pomaria (Fabaceae) in North America (1998) (13)
- The systematics and evolution of Perezia Sect. Perezia (Compositae) (1970) (12)
- A Revision of Hoffmannseggia (Fabaceae) in North America (1999) (12)
- Diversification history of Adesmia ser. psoraleoides (Leguminosae): Evolutionary processes and the colonization of the southern Brazilian highland grasslands (2013) (12)
- A Synopsis of the Genus Hoffmannseggia (Leguminosae) (2006) (12)
- The phylogenetic relationships of four monospecific caesalpinioids (Leguminosae) endemic to southern South America (2012) (11)
- PHYLOGENETIC ANALYSIS OF MORPHOLOGICAL CHARACTERS IN OURISIA (PLANTAGINACEAE): TAXONOMIC AND EVOLUTIONARY IMPLICATIONS1 (2007) (11)
- Historical biogeography of Vochysiaceae reveals an unexpected perspective of plant evolution in the Neotropics. (2020) (11)
- Character analysis of adaptations for tarsal pollen collection in the Bombyliidae (Insecta: Diptera): the benefits of putting your foot in your mouth (2003) (8)
- Characterization of 14 microsatellite loci in a tropical palm, Attalea phalerata (Arecaceae). (2010) (8)
- XYLOTHAMIA (ASTERACEAE: ASTEREAE), A NEW GENUS RELATED TO EUTHAMIA (1990) (8)
- Chloroplast DNA study of the generaAmbrosia s.l. andHymenoclea (Asteraceae): Systematic implications (1995) (8)
- Nest biology of Osmia (Diceratosmia) subfasciata Cression in central Texas (Hymenoptera: Megachilidae) (1992) (7)
- Molecular Phylogeny of Pectis (Tageteae, Asteraceae), a C4 Genus of the Neotropics, and its Sister Genus Porophyllum (2016) (6)
- Systematics and character evolution of the genus Yucca (Agavaceae): Evidence from morphology and molecular analyses (2017) (6)
- A New Infrageneric Classification of Meconopsis (Papaveraceae) Based on a Well-Supported Molecular Phylogeny (2017) (6)
- Caesalpinia. A Revision of the Poincianella-Erythrostemon Group (1999) (6)
- The tribe Mutisieae (Compositae) in the southeastern United States (1969) (6)
- The genera of Senecioneae in the southeastern United States (1969) (5)
- Allopatric speciation is more prevalent than parapatric ecological divergence in a recent high-Andean diversification (Asteraceae: Linochilus) (2019) (4)
- PHYLOGENY OF AGAVACEAE BASED ON ITS RDNA (1996) (4)
- Life history traits influence the strength of distance- and density-dependence at different life stages of two Amazonian palms (2017) (4)
- Phylogenetic Analysis of Meconopsis (Papaveraceae) and Evaluation of Two Controversial Taxonomic Species (2015) (4)
- The Role of Allotriploidy in the Evolution of Meconopsis (Papaveraceae): A Preliminary Study of Ancient Polyploid and Hybrid Speciation (2014) (3)
- Genome assembly and phylogenomic data analyses using plastid data: Contrasting species tree estimation methods (2019) (3)
- Data for: Incongruence between species tree and gene trees and phylogenetic signal variation in plastid genes (2019) (3)
- Hoffmannseggia humilis, the Correct Name for H. gladiata (Fabaceae) (2000) (2)
- A New Cryptic Species of Nemophila (Hydrophyllaceae) from Texas and the Leptotypification of N. phacelioides Nuttall (2001) (2)
- Sonoran Desert Spring (1985) (2)
- 263). Proposal for the Conservation of the Generic Name (9574) Leontodon L. with L. hispidus L. as typus conservandus against Virea Adanson (1969) (2)
- Note on Ailurus fulgens (2009) (1)
- (Vol. 09, 2006-12) A Synopsis of the Genus Hoffmannseggia (Leguminosae) (2006) (1)
- (Vol. 04, 2001-12) A New Cryptic Species of Nemophila (Hydrophyllaceae) from Texas and the Leptotypification of N. Phacelioides Nuttall (2001) (1)
- Conflicting phylogenomic signals reveal a pattern of reticulate evolution in a recent high-Andean diversification (Asteraceae: Astereae: (2017) (1)
- EDITORIAL COMMITTEE (1984) (2017) (0)
- SPECIATION PATTERNS IN +:o4151 THE AMAZONIAN FOREST BIOTA (1978) (0)
- Seed Plants Authors (2015) (0)
- Gymnosperms Data Base (2015) (0)
- (Vol. 02, 1999-12) A Revision of Hoffmannseggia (Fabaceae) in North America (1999) (0)
- Angiosperms Data Base (2015) (0)
- Cover Illustration and Table of Contents (2015) (0)
- Distributional patterns: biogeography. (1983) (0)
- Desert Spring Sonoran Desert Spring John Alcock (1986) (0)
- Competitive interactions in the common dandelion (Taraxacum officinale). (1970) (0)
- PROSOPIS PALMERI: A RELICT OF AN ANCIENT NORTH AMERICAN COLONIZATION (2022) (0)
- Barney L. Lipscomb-Recipient of the 2010 Peter Raven Award (2011) (0)
- A new species of Krameria (Krameriaceae) from Bahia, Brazil (1987) (0)
- Multiple modes of speciation in the pereziae d of southern south america (1971) (0)
- (Vol. 03, 2000-12) Hoffmannseggia Humilis, The Correct Name for H. Gladiata (Fabaceae) (2000) (0)
- Multiple origins oftheyucca-yucca mothassociation (1995) (0)
- Verne Grant (1917-2007) (2007) (0)
- North America's Golden Cloth@@@The Genus Lesquerella (Cruciferae) in North America (1974) (0)
- Lectotypification of Cacalia L. (Compositae-Senecioneae) (1969) (0)
- (Vol. 19, 2016-12) Molecular Phylogeny of Pectis (Tageteae, Asteraceae), A C4 Genus of the Neotropics, and its Sister Genus Porophyllum (2016) (0)
- (Vol.18, 2015-12) Phylogenetic Analysis of Meconopsis (Papaveraceae) and Evaluation of Two Controversial Taxonomic Species (2015) (0)
- Evolution Multiple origins of the yucca-yucca moth association ( pollination / mutualism / coevolution ) (2005) (0)
- Typification of Adesmia arborea (Fabaceae): Not a Nomen Nudum after All and Its Relevance to A. Microphylla and A. Confusa (2019) (0)
- Bits of Arid Information@@@Evolution of Desert Biota. (1977) (0)
- Reply from B.B. Simpson. (1997) (0)
- (Vol.17, 2014-12) The Role of Allotriploidy in the Evolution of Meconopis (Papaveraceae): A Preliminary Study of Ancient Polyploid and Hybrid Speciation (2014) (0)
- Peer Reviewers (2019) (0)
- Book Reviews (2008) (0)
- Cover Illustration and Table of Contents (2019) (0)
- (Vol. 01, 1998-05) A Revision of Pomaria (Fabaceae) in North America (1998) (0)
- Explaining Floral Diversity (2007) (0)
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