Warren H. Wagner
#49,765
Most Influential Person Now
American botanist
Warren H. Wagner's AcademicInfluence.com Rankings
Warren H. Wagnerbiology Degrees
Biology
#3704
World Rank
#5626
Historical Rank
#1480
USA Rank
Botany
#229
World Rank
#889
Historical Rank
#68
USA Rank
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Biology
Warren H. Wagner's Degrees
- PhD Botany University of California, Berkeley
- Masters Botany University of California, Berkeley
- Bachelors Botany University of California, Berkeley
Why Is Warren H. Wagner Influential?
(Suggest an Edit or Addition)According to Wikipedia, Warren Herbert Wagner Jr. was an eminent American botanist who was trained at Berkeley with E.B. Copeland and lived most of his professional career in Michigan. History Wagner was instructed in the ways of plant microphotograph and embryology by Marion S. Cave. Wagner was a longtime faculty member at the University of Michigan. He was most respected among his colleagues and students for his genius in discerning and articulating the differences in form between plant species in the context of their variation with environmental factors.
Warren H. Wagner'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
- RETICULATE EVOLUTION IN THE APPALACHIAN ASPLENIUMS (1954) (133)
- Polyploidy in pteridophytes. (1979) (97)
- Cryptic species, species delimitation, and taxonomic practice in the homosporous ferns (1989) (90)
- Origin and Philosophy of the Groundplan-divergence Method of Cladistics (1980) (85)
- Michigan Trees: A Guide to the Trees of Michigan and the Great Lakes Region (1981) (78)
- Pollen Release in the Common Ragweed (Ambrosia artemisiifolia) (1959) (75)
- Generic Classification of Modern North American Lycopodiaceae (1992) (70)
- A Biosystematic Survey of United States Ferns: Preliminary Abstract (1963) (68)
- The Role and Taxonomic Treatment of Hybrids (1969) (51)
- Abortion of Spores and Sporangia as a Tool in the Detection of Dryopteris Hybrids (1965) (47)
- Structure of Spores in Relation to Fern Phylogeny (1974) (40)
- A Comparison of Branching Diagrams Derived by Various Phenetic and Cladistic Methods (1980) (40)
- Evidence for interspecific hybridisation in pteridophytes with subterranean mycoparasitic gametophytes (1985) (38)
- Reticulation of Holly Ferns (Polystichum) in the Western United States and Adjacent Canada (1973) (36)
- Cytotaxonomic observations on North American ferns (1955) (36)
- Disjunctions in Homosporous Vascular Plants (1972) (36)
- GENUS COMMUNITIES AS A SYSTEMATIC TOOL IN THE STUDY OF NEW WORLD BOTRYCHIUM (OPHIOGLOSSACEAE) (1983) (32)
- A Remarkably Reduced Vascular Plant in the United States (1963) (32)
- Fertile-sterile leaf dimorphy in ferns (1977) (31)
- TYPES OF FOLIAR DICHOTOMY IN LIVING FERNS (1952) (29)
- Three New Species of Moonworts (Botrychium Subg. Botrychium) Endemic in Western North America (1986) (27)
- Chromosome Observations on the Ferns of Mexico (1966) (27)
- Michigan Trees, Revised and Updated: A Guide to the Trees of the Great Lakes Region (1981) (26)
- ×Dryostichum singulare (Dryopteridaceae), a new fern nothogenus from Ontario (1992) (25)
- New Species of Moonworts, Botrychium subg. Botrychium (Ophioglossaceae), from North America (1981) (24)
- The Morphological and Cytological Distinctness of Botrychium minganense and B. lunaria in Michigan (1956) (23)
- Trophopod, A Commonly Overlooked Storage Structure Of Potential Systematic Value In Ferns (1983) (21)
- New Data on North American Oak Ferns, Gymnocarpium (1967) (21)
- Perennial ragweeds (Ambrosia) in Michigan, with the description of a new, intermediate taxon (1958) (21)
- New species of Hawaiian pteridophytes (1993) (21)
- Cytogeographic studies on Dryopteris of Japan (1975) (20)
- Spontaneous Production of a Morphologically Distinct, Fertile Allopolyploid by a Sterile Diploid of Asplenium ebenoides (1957) (19)
- TAXONOMIC NOTES ON THE PTERIDOPHYTES OF HAWAII— II (1999) (19)
- The Variation in Spore Size and Germination in Dryopteris Taxa (1971) (18)
- A new nothospecies of moonwort (Ophioglossaceae, Botrychium) (1984) (18)
- The Emission, Dispersion, and Deposition of Ragweed Pollen† (1959) (17)
- Chemotaxonomic studies on hybrids of Dryopteris in eastern North America (1975) (17)
- New observations on the royal fern hybrid Osmunda x ruggii (1978) (16)
- Evolution of Hawaiian Ferns and Fern Allies in Relation to Their Conservation Status (1995) (16)
- Notes on the Fan-Leaflet Group of Moonworts in North America with Descriptions of Two New Members (1990) (15)
- Pteridophytes of the Mountain Lake Area, Giles Co., Virginia: Biosystematic Studies, 1964-65 (1967) (15)
- Complex Venation Patterns in the Leaves of Selaginella: Megaphyll-Like Leaves in Lycophytes (1982) (15)
- Another Widely Disjunct, Rare and Local North American Moonwort (Ophioglossaceae: Botrychium subg. Botrychium) (1994) (15)
- Systematic implications of the Psilotaceae (2008) (14)
- A Preliminary Chromatographic Study of Eastern American Dryopteris (1964) (14)
- The Gametophyte of Trichomanes holopterum Kunze (1968) (14)
- A New Sexual Form of Pellaea glabella var. glabella from Missouri (1965) (14)
- Two Moonworts of the Rocky Mountains; Botrychium hesperium and a New Species Formerly Confused with It (1983) (13)
- Two New Species of Ferns from the United States (1966) (13)
- Evergreen Grapeferns and the Meanings of Infraspecific Categories as Used in North American Pteridophytes (1960) (13)
- Solanopteris brunei, a Little-Known Fern Epiphyte with Dimorphic Stems (1972) (13)
- The Singular Origin of a Central American Fern, Pleuroderris michleriana (1978) (12)
- A bibliography of botanical cladistics: 1. 1981 (1982) (12)
- The Central American Fern Genus Hyalotricha and Its Family Relationships (1976) (11)
- A New Hybrid Spleenwort from Artificial Cultures at Fernwood and Its Relationship to a Peculiar Plant from West Virginia (1958) (11)
- Botrychium alaskense, a New Moonwort from the Interior of Alaska (2002) (10)
- Pteridology, 1947-1972 (1974) (9)
- An Asplenium Prototype of the Genus Diellia (1953) (9)
- The Evolutionary Patterns of Living Ferns (1967) (9)
- Problems with biotic invasives: a biological viewpoint. (1993) (8)
- Biology of the Genus Hemileuca (Lepidoptera: Saturniidae) in Michigan (1995) (8)
- Asplenium ebenoides X platyneuron, a New Triploid Hybrid Produced under Artificial Conditions (1956) (8)
- A DIPLOID VARIETY IN THE CYSTOPTERIS FRAGILIS COMPLEX (1956) (8)
- A Comparison of Taxonomic Methods in Biosystematics (1984) (8)
- MOONWORTS (BOTRYCHIUM SUBG. BOTRYCHIUM) OF THE UPPER GREAT LAKES REGION, U.S.A. AND CANADA, WITH DESCRIPTIONS OF TWO NEW SPECIES (1990) (8)
- True and False Foodplants of Callosamia Promethea (Lepidoptera: Saturniidae) in Southern Michigan (1981) (7)
- American Grapeferns Resembling Botrychium ternatum: A Preliminary Report (1959) (7)
- Occurrence of European Dewberry, Rubus Caesius (Rosaceae), Naturalized in Iowa and Michigan (1998) (7)
- Pteris X delchampsii, a Spontaneous Fern Hybrid from Southern Florida (1982) (7)
- Periodicity and Pigmentation in Botrychium subg. Sceptridium in the Northeastern United States (1960) (7)
- A dwarf coastal variety of maidenhair fern, Adiantum pedatum (1978) (7)
- Plant Taxonomy and Modern Systematics (1968) (7)
- THE GENUS DIELLIA AND THE VALUE OF CHARACTERS IN DETERMINING FERN AFFINITIES (1953) (7)
- A Western Holly Fern, Polystichum X scopulinum, in Newfoundland (1984) (7)
- The hybrid ragweed, Ambrosia artemi-siifolia X trifida (1958) (7)
- Ferns of Jamaica. A Guide to the Pteridophytes. (1986) (6)
- CYTOTAXONOMIC ANALYSIS OF EVOLUTION IN PTERIDOPHYTA (1951) (6)
- Dryopteris goldiana X intermedia: A natural woodfern cross of noteworthy morphology (1965) (6)
- Pacific Firmoss (Huperzia miyoshiana) (Lycopodiaceae) in Eastern North America at Gros Morne National Park, Newfoundland (1992) (6)
- A Preliminary Review of Botrychium in China (1988) (6)
- Observations on Some Bulblet-Producing Populations of the Cystopteris fragilis Complex (1956) (6)
- Some questions about natural hybrids in ferns (1987) (6)
- The Pteridophytes of the Admiralty Islands (1948) (6)
- Plant Compactness and Leaf Production in Botrychium multifidum "ssp. typicum" and "forma dentatum" (1962) (5)
- Botrychium rugulosum (Ophioglossaceae), a newly recognized species of evergreen grapefern in the Great Lakes area of North America (1982) (5)
- Ecological, Biosystematic, and Nomenclatural Notes on Scott's Spleenwort, x Asplenosorus ebenoides (1982) (5)
- Botanical sciences (g). (1966) (5)
- An Unusual New Cheilanthoid Fern From California (1957) (5)
- Roots and the taxonomic differences between Botrychium oneidense and B. dissectum (1961) (5)
- A natural hybrid of Polystichum lonchitis and P. acrostichoides from the Bruce Peninsula (1954) (5)
- SEX AND THE ANGIOSPERMS—ANOTHER PROPOSITION (1975) (5)
- A Bolivian Elaphoglossum of Unique Leaf Structure (1954) (5)
- Isoetes hawaiiensis: A Previously Undescribed Quillwort from Hawaii (1993) (4)
- The Habitat of Diellia (1950) (4)
- Size reduction southward in Michigan's mustard white butterfly, Pieris napi (Lepidoptera: Pieridae). (1980) (4)
- [Taxonomic and Morphological Relationships of the Psilotaceae]: Discussion (1977) (4)
- A Cytological Study of the Appalachian Spleenworts (1953) (4)
- Lycopodium hickeyi: a new species of North American clubmoss (1989) (4)
- 6. Applications of the Concepts of Groundplan-Divergence (1984) (4)
- A New Hawaiian Hanging Firmoss (Lycopodiaceae: Phlegmariurus) from the Eastern Hawaiian Islands (1996) (4)
- DRYOPTERIS XLEEDSII AND ITS WESTERNMOST STATION (1976) (4)
- Asplenium X Clermontae Sim from Clifton Gorge, Greene County, Ohio - A Second North American Record (1976) (4)
- Synthetic and wild Asplenium gravesii (1957) (3)
- Subterranean sporophytic gemmae in botrychium subgenus botrychium (1986) (3)
- Juvenile Leaves of Two Polypodies (1952) (3)
- Dryopteris in the Huron mountain club area of Michigan (1962) (3)
- Botrychium multifidum in Virginia (1946) (3)
- A new combination for a North American Lycopod (1993) (3)
- Dryopteris ×correllii hyb. nov. (D. carthusiana ×goldiana), a Rare Woodfern Hybrid from Vermont (2001) (3)
- Notes on the Distribution of Asplenium kentuckiense (1958) (3)
- Notes on the Rediscovery, Status, and Ecology of the Very Rare Hawaiian Fern Christella boydiae (Thelypteridaceae) (1993) (3)
- Foodplants and cocoon construction in Antheraea polyphemus (Lepidoptera: Saturniidae) in southern Michigan. (1980) (3)
- Unusual Frond Development in Sensitive Fern Onoclea sensibilis L. (1981) (3)
- An exceptional leaf of Botrychium dissectum. (1991) (3)
- Trichomanes boschianum in Arkansas (1962) (2)
- Another Nothospecies in the Appalachian Asplenium Complex (1990) (2)
- A Synthetic "Trigeneric" Hybrid, x Asplenosorus pinnatifidus x Phyllitis scolopendrium var. americana (1989) (2)
- Plant Speciation: The Classical Approach (1983) (2)
- The Goldback Ferns of California@@@Cytotaxonomic Observations on the Goldback Fern (1961) (2)
- A NEW ADDER'S-TONGUE (OPHIOGLOSSUM: OPHIOGLOSSACEAE) FOR NORTH AMERICA (1998) (2)
- On the Relative Development of the Fertile Segments in Botrychium dissectum and B. oneidense (1961) (2)
- Lindsaea (Schizoloma) ensifolia Swartz in Hawaii (1971) (2)
- Hiemobotrychium, a new section of Botrychium subgenus Sceptridium from the southeastern United States (1992) (2)
- Bipinnate Christmas Ferns (1942) (2)
- A new natural hybrid in the appalachian asplenium complex and its taxonomic significance (1969) (2)
- Illustrations of Transient Fern Forms (1966) (2)
- Some New Data on the Vernation Differences of Botrychium dissectum and B. ternatum (1961) (2)
- Should the American Hart's-Tongue Be Interpreted as a Distinct Species? (1955) (2)
- Wall Rue on Walls (1942) (2)
- Chemical Plant Taxonomy. T. Swain, Ed. Academic Press, New York, 1963. x + 543 pp. Illus. $16 (1964) (2)
- Two Ferns New to Trinidad (1944) (1)
- Ferns on Pacific Island Coconut Trees (1945) (1)
- Edgar T. Wherry and His Contributions to Pteridology (1983) (1)
- New Localities for Botrychium matricariaefolium in Maryland (1941) (1)
- A Range Extension in Arctic Alaska for Botrychium lunaria (1959) (1)
- Tree-Climbing Gleichenias (1947) (1)
- Book Review:Ferns. The Illustrated Flora of Illinois. Robert H. Mohlenbrock (1968) (1)
- The New University of Michigan Botanical Gardens (1966) (1)
- Techniques for preparing riccias for herbarium study (1983) (1)
- A New Species of Diellia from Oahu (1951) (1)
- Another Occurrence of the Apparent Hybrid Cystopteris (1944) (1)
- A new species of Wikstroemia (Thymelaeaceae) from Hiva Oa, Marquesas Islands (1998) (1)
- Fern Hunt in Puerto Rico (1945) (1)
- Two notable range extensions for Callosamia secuifera (Saturniidae) in Georgia and South Carolina (1982) (1)
- Ferns in Biology: Some Final Comments (1971) (1)
- Plant Systematics Samuel H. Jones, Jr. Arlene E. Luchsinger (1979) (1)
- A new hybrid showing homology between Asplenium ebenoides and A. Pinnatifidum (1961) (0)
- Chemistry and Taxonomy: Chemical Plant Taxonomy . T. Swain, Ed. Academic Press, New York, 1963. x + 543 pp. Illus. $16. (1964) (0)
- BOTANICAL SCIENCES (G) (1968) (0)
- CYTOLOGICAL OBSERVATIONS ON ADIANTUM X TRACYI C. C. HALL (1962) (0)
- Plant Evolution and Diversity (1966) (0)
- Lycopodium hickeyi: A New Species of (1989) (0)
- News and notes (2008) (0)
- Pteridology 1947-1972 (1975) (0)
- Joseph M. Beitel (1952–1991) (1991) (0)
- Morphology of Plants . Harold C. Bold. Harper, New York, 1957. xxiii + 669 pp. Illus. $8. (1958) (0)
- A Further Note on Cystopteris (1957) (0)
- The Flowerless Plants. (Book Reviews: Ferns of Michigan) (1952) (0)
- An annotated bibliography of ragweed (Ambrosia). (1959) (0)
- Plant Speciation: The Classical Approach@@@Plant Speciation. (1983) (0)
- Fifty years of change in Rhodora and the New England flora (2000) (0)
- Club Moss Fairy Rings (1953) (0)
- Dryopteridaceae ) , a new fern nothogenus from Ontario (2007) (0)
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