Paul Howard Williams

Paul Howard Williams's AcademicInfluence.com Rankings

Computer Science

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#5927

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#2878

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Computer Science

Paul Howard Williams's Degrees

PhD Computer Science Stanford University
Masters Computer Science Stanford University
Bachelors Computer Science Stanford University

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Paul Howard Williams'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

What to protect?—Systematics and the agony of choice (1991) (1592)
THE AMERICAN PHYTOPATHOLOGICAL SOCIETY. (1943) (875)
Bumblebee vulnerability and conservation world-wide (2009) (498)
A comparison of reserve selection algorithms using data on terrestrial vertebrates in Oregon (1997) (472)
Selecting areas for species persistence using occurrence data (2000) (443)
Planning for Climate Change: Identifying Minimum‐Dispersal Corridors for the Cape Proteaceae (2005) (334)
A comprehensive phylogeny of the bumble bees (Bombus) (2007) (304)
Reactions of hydrogen peroxide. VII. Alkali-catalyzed epoxidation and oxidation using a nitrile as co-reactant (1961) (256)
Downscaling European species atlas distributions to a finer resolution: implications for conservation planning (2005) (252)
Measuring biodiversity taxonomic relatedness for conservation priorities (1991) (175)
Advances in Plant Pathology (1984) (171)
A simplified subgeneric classification of the bumblebees (genus Bombus) (2011) (169)
Dynamics of extinction and the selection of nature reserves (2002) (168)
The distribution of bumblebee colour patterns worldwide: possible significance for thermoregulation, crypsis, and warning mimicry (2007) (165)
Using probability of persistence to identify important areas for biodiversity conservation (2000) (165)
An evaluation of Fusarium oxysporum from crucifers based on pathogenicity, isozyme polymorphism, vegetative compatibility, and geographic origin (1987) (160)
Unveiling cryptic species of the bumblebee subgenus Bombus s. str. worldwide with COI barcodes (Hymenoptera: Apidae) (2012) (156)
International scientists formulate a roadmap for insect conservation and recovery (2020) (151)
Bumblebee Vulnerability: Common Correlates of Winners and Losers across Three Continents (2009) (140)
Correlations among species distributions, human density and human infrastructure across the high biodiversity tropical mountains of Africa (2007) (140)
Reactions of Hydrogen Peroxide. IV. Sodium Tungstate Catalyzed Epoxidation of α,β-Unsaturated Acids (1959) (139)
Does specialization explain rarity and decline among British bumblebees? A response to Goulson et al. (2005) (130)
The distribution of cultural and biological diversity in Africa (2002) (128)
Colour Patterns Do Not Diagnose Species: Quantitative Evaluation of a DNA Barcoded Cryptic Bumblebee Complex (2012) (122)
Mapping loci controlling Brassica napus resistance to Leptosphaeria maculans under different screening conditions. (1995) (115)
Large scale patterns of biodiversity: spatial variation in family richness (1995) (110)
Centres of seed-plant diversity: the family way (1994) (108)
Reactions of Hydrogen Peroxide. VI. Alkaline Epoxidation of Acrylonitrile (1961) (103)
Biodiversity indicators: graphical techniques, smoothing and searching for what makes relationships work (1998) (103)
Promise and problems in applying quantitative complementary areas for representing the diversity of some Neotropical plants (families Dichapetalaceae, Lecythidaceae, Caryocaraceae, Chrysobalanaceae and Proteaceae) (1996) (87)
Global decline of bumblebees is phylogenetically structured and inversely related to species range size and pathogen incidence (2017) (86)
Host Specific Social Parasites (Psithyrus) Indicate Chemical Recognition System in Bumblebees (2010) (83)
The effect of grazing on bumblebees in the high rangelands of the eastern Tibetan Plateau of Sichuan (2008) (80)
The bumblebees of Sichuan (Hymenoptera: Apidae, Bombini) (2009) (76)
Do Conservationists and Molecular Biologists Value Differences between Organisms in the Same Way (1994) (74)
Biology of Leptosphaeria maculans (1992) (73)
Threatened Status, Rarity, and Diversity as Alternative Selection Measures for Protected Areas: A Test Using Afrotropical Antelopes (1995) (64)
A strategy for the next decade to address data deficiency in neglected biodiversity (2020) (63)
Molecular tools and bumble bees: revealing hidden details of ecology and evolution in a model system (2015) (62)
Mimetic colour pattern evolution in the highly polymorphic Bombus trifasciatus (Hymenoptera: Apidae) species complex and its comimics (2012) (62)
Molecular phylogeny of the bumble bee subgenus Pyrobombus (Hymenoptera : Apidae : Bombus) with insights into gene utility for lower-level analysis (2006) (60)
Relation of xylem plugging to black rot lesion development in cabbage (1970) (58)
FINE STRUCTURE OF PLASMODIOPHORA BRASSICAE IN SPOROGENESIS (1967) (56)
Heuristic and optimal solutions for set-covering problems in conservation biology (2003) (55)
Mapping of a locus controlling resistance to Albugo candida in Brassica napus using molecular markers. (1995) (55)
Measuring biodiversity for choosing conservation areas. (1993) (54)
Physiological Plant Pathology (1976) (54)
How much of the vertebrate diversity of sub-Saharan Africa is catered for by recent conservation proposals? (2002) (51)
Cryptic Bumblebee Species: Consequences for Conservation and the Trade in Greenhouse Pollinators (2012) (49)
Glucosinolates: potential toxicants in cabbage cultivars. (1980) (47)
Erratum: Comparison of extracellular polysaccharide of Xanthomonas campestris from culture and from infected cabbage leaves (1970) (46)
Infection and temporal development of mycelium of Albugo candida in cotyledons of four Brassica species. (1975) (42)
Genetics of Brassica rapa (syn. campestris). 2. Multiple disease resistance to three fungal pathogens: Peronospora parasitica, Albugo Candida and Leptosphaeria maculans (1995) (40)
The bumblebees of the Nepal Himalaya (Hymenoptera : Apidae) (2010) (40)
Genes Suggest Ancestral Colour Polymorphisms Are Shared across Morphologically Cryptic Species in Arctic Bumblebees (2015) (39)
Chlorophyll changes, photosynthesis, and ultrastructure of chloroplasts in Albugo candida induced "green islands" on detached Brassica juncea cotyledons (1968) (38)
Managed Bumblebees Outperform Honeybees in Increasing Peach Fruit Set in China: Different Limiting Processes with Different Pollinators (2015) (37)
The exploration of genetic resources of Portuguese cabbage and kale for resistance to several Brassica diseases (1989) (37)
Some properties of rarity scores used in site quality assessment (2000) (36)
The arctic and alpine bumblebees of the subgenus Alpinobombus revised from integrative assessment of species' gene coalescents and morphology (Hymenoptera, Apidae, Bombus). (2019) (34)
Genus-Wide Characterization of Bumblebee Genomes Provides Insights into Their Evolution and Variation in Ecological and Behavioral Traits (2020) (34)
Hydrogen Peroxide—Boron Trifluoride Etherate, a New Oxidizing Agent (1962) (31)
Distribution of glucosinolates in the pith, cambial-cortex, and leaves of the head in cabbage, Brassica oleracea L (1979) (29)
Fast plants for finer science—an introduction to the biology of rapid-cycling Brassica campestris (rapa) L. (1990) (28)
Genetic analyses of electrophoretic enzyme variants, mating type, and hermaphroditism in Pyricularia oryzae Cavara (1985) (27)
Revealing the hidden niches of cryptic bumblebees in Great Britain: Implications for conservation (2015) (26)
Bumblebees, climate and glaciers across the Tibetan plateau (Apidae: Bombus Latreille) (2015) (26)
Microbodies and lipid bodies in the hyphal tips of Sclerotinia sclerotiorum (1970) (23)
Fine structure of the host-parasite interface of Plasmodiophora brassicae in Cabbage. (1970) (23)
The Crucifer Genetics Cooperative (1985) (22)
Dwarf mutants ofBrassica: Responses to applied gibberellins and gibberellin content (1991) (20)
Taxonomy must engage with new technologies and evolve to face future challenges (2020) (20)
Morphometric analysis of fossil bumble bees (Hymenoptera, Apidae, Bombini) reveals their taxonomic affinities (2019) (19)
Biogeography and designatable units of Bombus occidentalis Greene and B. terricola Kirby (Hymenoptera: Apidae) with implications for conservation status assessments (2016) (19)
Decomposition of FK 409, a new vasodilator: Identification of nitric oxide as a metabolite (1995) (19)
Bombus cullumanus—an extinct European bumblebee species? (2013) (18)
Multiple-pathogen inoculation of cucumber (Cucumis sativus) seedlings (1987) (18)
Thirteen marker genes in Brassica nigra (1981) (18)
Extreme Food-Plant Specialisation in Megabombus Bumblebees as a Product of Long Tongues Combined with Short Nesting Seasons (2015) (18)
Correlation of spore production by Albugo candida on Brassica campestris and a visual white rust rating scale. (1984) (17)
Prioritizing non-marine invertebrate taxa for Red Listing (2014) (16)
Prevalence of infection by the microsporidian Nosema spp. in native bumblebees (Bombus spp.) in northern Thailand (2019) (16)
Studies on the possible relationships of microbodies and multivesicular bodies to oxalate, endopolygalacturonase, and cellulase (Cx) production by Sclerotinia sclerotiorum (1972) (16)
A Synthesis of Substituted Pyrans (1950) (15)
Widespread polytypic species or complexes of local species? Revising bumblebees of the subgenus Melanobombus world-wide (Hymenoptera, Apidae, Bombus) (2020) (14)
Spatial and temporal variation in species‐area relationships in the Fynbos biological hotspot (2007) (13)
Do the parasitic Psithyrus resemble their host bumblebees in colour pattern? (2008) (13)
The Oxidation of Anisole and Diphenyl Ether with Trifluoroperoxyacetic Acid (1962) (13)
Search for resistance to gummy stem blight (Didymella bryoniae) in cucumber (Cucumis sativus L.) (1986) (13)
The bumblebees of Gansu, Northwest China (Hymenoptera, Apidae) (2011) (13)
Measuring biodiversity value for conservation : Sustainability issues (1995) (12)
Chapter 9 – How Fungi Induce Disease (1979) (12)
A toothpick method for mating Leptosphaeria maculans, the causal agent of blackleg of crucifers (1995) (11)
Cryptic subarctic diversity: a new bumblebee species from the Yukon and Alaska (Hymenoptera: Apidae) (2016) (10)
3,6-Dihydro-2,4,6-trimethyl-2H-pyran, a Product of the Dehydration of 2-Methyl-2,4-pentanediol (1950) (9)
Dodecahydro-1,4,7,9b-tetraazaphenalene, a Condensate of Acrolein and Ammonia (1966) (9)
Notes- Reaction of Mesityl Oxide with Peroxyacetic Acid (1959) (8)
THE AMERICAN PHYTOPATHOLOGICAL SOCIETY Founded 1908 Incorporated 1915 (1989) (8)
Relocation risky for bumblebee colonies. (2015) (7)
Chemistry and Breeding of Cruciferous Vegetables (1980) (7)
Selection for resistance to Plasmodiophora brassicaeWor. in oriental subspecies of Brassica rapa L. (1986) (6)
The Reaction of Glycidaldehyde and Mesityl Oxide Epoxide with Hydrogen Sulfide (1960) (6)
The distribution of cultural and biological diversity (2002) (4)
Zum Vorkommen von Plasmodiophora brassicae-Rassen in der Deutschen Demokratischen Republik (1968) (4)
Genome Analysis in Brassica Using RFLPs (1991) (4)
Bombus rubriventris: type locality, different histories of bumblebees in the New World, and a likely invertebrate extinction (2015) (3)
Platinum catalyzed air oxidation of hindered phenols (1969) (3)
A Gibberellin-Deficient Brassica Mutant-rosette 1 (2)
A Novel Comparative Assessment of Two Learning Strategies in a Freshman Chemistry Course for Science and Engineering Majors. (1997) (2)
DIGRESSOBOMBUS, A NEW SUBGENUS WITH A DESCRIPTION OF THE MALE OF BOMBUS DIGRESSUS (HYMENOPTERA: APIDAE) (1984) (2)
Erratum: The bumblebees of Sichuan (hymenoptera: Apidae, bombini) (Systematics and Biodiversity (2009) 7 (101-189) DOI: 10.1017/S1477200008002843) (2009) (2)
Genus-wide characterization of bumblebee genomes reveals variation associated with key ecological and behavioral traits of pollinators (2020) (2)
Phytos: plants and DNA technology for schools (1996) (1)
EVALUATION OF RAPID CYCLING BRASSICA AS A CANDIDATE OILSEED CROP FOR CONTROLLED ECOLOGICAL LIFE SUPPORT SYSTEMS (1990) (1)
Teachers and Students Investigating Plants in Space. A Teacher's Guide with Activities for Life Sciences. Grades 6-12. (1997) (1)
IDENTIFICATION OF NITRIC OXIDE AS A METABOLITE (1995) (1)
Tetrahydronaphthalene derivatives their preparation and their use in therapy. (1993) (0)
Derivatives of N- (3-aminopropyl) -N-phenyl-5,6,7,8-tetrahydronaphthalene-2-carboxamide, their preparation and their therapeutic application. (1994) (0)
Figures 40 – 41. 40 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figures 30 – 31. 30 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figures 98 – 99. 98 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Tetrahydronaphthalene derivatives, process for their preparation and therapeutic use of these (1993) (0)
Figures 32 – 33. 32 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Tetrahydronaftalenderivat, framstaellning from these two Science Terapeutisk from these two anvaendning (1993) (0)
Bumblebees of the Azores (Apidae: Bombus) (2018) (0)
Figures 100 – 101. 100 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Dérivés d'imidazole, leur préparation et leur utilisation comme intermédiaires de synthèse (1993) (0)
Creative Containers: Inventive Ideas for Pots, Windowboxes and Hanging Baskets (1997) (0)
Figures 92 – 93. 92 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figures 150 – 151. 150 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figures 136 – 137. 136 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figures 122 – 123. 122 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figures 72 – 73. 72 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Dérivés de 1-(2-(arylsulfonylamino)-1-oxoéthyl)pipéridine, leur préparation et leur application en thérapeutique (1993) (0)
Derivatives 3- (2-aminoethyl) -4- [3- (trifluoromethyl) benzoyl] -3,4-dihydro-2H-1,4-benzoxazine, their preparation and their therapeutic application. (1994) (0)
Figures 82 – 83. 82 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Derivative of N- [3- (1,2,3,4-tetrahydroisoquinolin-2-yl) -propyl] -N-phenyl-5,6,7,8-tetrahydronaphthalene-2-carboxamide, their preparation and their application in therapeutic. (1994) (0)
Figures 120 – 121. 120 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figures 112 – 113. 112 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figures 116 – 117. 116 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figures 128 – 129. 128 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Modification of Shell 405 (Trade Name) Catalyst Test Catalyst Preparation (1972) (0)
Bentsoksatsiinijohdannaiset, their preparation and therapeutic use (1994) (0)
Figures 44 – 45. 44 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figures 68 – 69. 68 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figure 160 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Family or Fashion? Colour Patterns in Arctic Bumblebees (2016) (0)
Figures 12 – 13. 12 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figures 80 – 81. 80 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figure 158 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figures 152 – 153. 152 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Microbial Plant Pathology.P. J. Whitney (1978) (0)
Figures 6 – 7. 6 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figures 54 – 55. 54 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Tetrahydronaphtalenderivate, their preparation and their therapeutic use (1993) (0)
Figure 161 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
patterns of assemblage diversity (2004) (0)
Figures 94 – 95. 94 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figures 146 – 147. 146 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figures 8 – 9. 8 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Figures 22 – 23. 22 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)
Dérivés de N-(3-aminopropyl)-N-phényl-5,6,7,8-tétrahydronaphtalène-2-carboxamideayant des propriétés neuroprotectrices et anti-ischémiques, leur préparation et leur application en thérapeutique (1995) (0)
Figure 1 In The Bumblebees Of North China (Apidae, Bombus Latreille) (2014) (0)