ToL Scientific Contributors for Spermatopsida

• Mac H. Alford University of Southern Mississippi, Hattiesburg, Mississippi, USA (Achariaceae, Dipentodontaceae, Gerrardina, Huerteales, Lacistemataceae, Salicaceae, Samydaceae, Scyphostegia borneensis)
• William Alverson The Field Museum, Chicago, Illinois, USA (Malvales)
• Arne Anderberg Swedish Museum of Natural History, Sweden (Athroismeae, Inuleae)
• Monica Arakaki University of Florida, Gainesville, Florida, USA (Angiosperms)
• William Baker Royal Botanic Gardens, Kew, United Kingdom (Arecanae)
• Bruce G. Baldwin University of California, Berkeley, California, USA (Asteraceae)
• Nigel Barker Rhodes University, Grahamstown, South Africa (Poaceae)
• David A. Baum University of Wisconsin, Madison, Wisconsin, USA (Epilobieae, Malvales)
• Charles D. Bell University of New Orleans, New Orleans, Louisiana, USA (Dipsacales)
• Nicola Bergh South African National Biodiversity Institute, South Africa (Gnaphalieae)
• David J. Bogler Missouri Botanical Garden, St. Louis, Missouri, USA (Liliales)
• Agneta Julia Borg Stockholm University, Stockholm, Sweden (Thunbergioideae)
• Birgitta Bremer Royal Swedish Academy of Sciences, Stockholm, Sweden (Rubiaceae)
• Luc Brouillet University de Montreal, Canada (Astereae)
• Kenneth M. Cameron New York Botanical Garden, Bronx, New York, USA (Orchidaceae)
• Josh Clayton Florida Museum of Natural History and the Genetics Institute, Gainesville, Florida, USA (Simaroubaceae)
• Peter Crane University of Chicago (Embryophytes)
• Dan Crawford University of Kansas, Lawrence, Kansas, USA (Coreopsideae)
• Bonnie S. Crozier (Asteraceae, Cactaceae)
• Douglas C. Daly New York Botanical Garden (Burseraceae)
• Michael Donoghue Yale University, New Haven, Connecticut, USA (Gnetales)
• Christine Edwards Department of Botany, University of Wyoming, Laramie, Wyoming, USA (Angiosperms)
• Torsten Eriksson Botaniska institutionen, Bergianska stiftelsen, Stockholm, Sweden (Rosaceae)
• Frank Farruggia Arizona State University, Tempe, Arizona, USA (Robinioid clade)
• Paul V. A. Fine University of California, Berkeley, California, USA (Burseraceae)
• Vicky Funk National Museum of Natural History, Washington, DC, USA (Cichorioideae)
• Birgit Gemeinholzer Botanisches Museum Berlin-Dahlem, Germany (Cichorioideae)
• David S. Gernandt Universidad Nacional Autonoma de Mexico (Conifers)
• Thomas J. Givnish University of Wisconsin, Madison, Wisconsin, USA (Monocotyledons)
• William J. Hahn Georgetown University, Washington, D. C., USA (Monocotyledons)
• Debra Hansen University of Texas, Austin, Texas, USA (Pectis, Porophyllum)
• Jeffrey R. Hapeman (Myrtales)
• Sara Hoot University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, USA (Ranunculales)
• Larry Hufford Washington State University, Pullman, Washington, USA (Cornales)
• Steffi Ickert-Bond University of Alaska Fairbanks (Gnetales)
• Leigh Johnson Brigham Young University, Provo, Utah, USA (Polemoniaceae)
• Bruce Jones Arizona State University (Fabaceae, Fabales, Robinioid clade)
• Sterling Keeley University of Hawaii, Hawaii, USA (Vernonieae)
• David Keil California Polytechnic State University, San Luis Obispo, California, USA (Tageteae)
• Elizabeth Kempton Claremont Graduate University and Rancho Santa Ana Botanic Garden, Claremont, California, USA (Polygonaceae)
• Carrie Kiel Rancho Santa Ana Botanic Garden (Acanthaceae)
• Norbert Kilian Botanisches Museum Berlin-Dahlem, Germany (Cichorioideae)
• Margaret Koopman University of Wisconsin, Madison, Wisconsin, USA (Malvales)
• W. John Kress Smithsonian Institution, Washington, D. C., USA (Zingiberanae)
• H. Walter Lack Botanisches Museum Berlin-Dahlem, Germany (Cichorioideae)
• Aaron Liston Oregon State University, Corvallis, Oregon, USA (Conifers)
• Johanna Mahn
• María Cristina Martínez-Habibe Rancho Santa Ana Botanic Garden, Claremont, California, USA (Burseraceae)
• Austin Mast Florida State University, Tallahassee, Florida, USA (Proteales)
• Lucinda A. McDade Rancho Santa Ana Botanic Garden, Claremont, California, USA (Acanthaceae)
• Ashley Morris University of South Alabama (Austrobaileyales)
• Christoph Oberprieler Universität Regensburg, Germany (Anthemideae)
• Richard Olmstead University of Washington Seattle, Washington, USA (Asterids)
• Santiago Ortiz Universidade de Santiago, Santiago de Compostela, Galiza, Spain (Carduoideae)
• Jose L. Panero University of Texas, Austin, Texas, USA (Asteraceae, Asterales)
• Susan K. Pell Brooklyn Botanic Garden, Brooklyn, New York, USA (Anacardiaceae)
• Pieter Pelser Universtiy of Canterbury, New Zealand (Senecionodae)
• Martin Pfosser Oberösterreichisches Landesmuseum, Linz, Austria (Hyacinthaceae)
• Robert A. Price University of Georgia, Athens, Georgia, USA (Pinus)
• Linda M. Prince Rancho Santa Ana Botanic Garden, Claremont, California, USA (Cannaceae, Marantaceae, Ternstroemiaceae, Theaceae)
• Richard Ree The Field Museum, Chicago, Illinois, USA (Passifloraceae)
• Harold Robinson National Museum of Natural History, Washington, DC, USA (Eupatorieae, Vernonieae)
• Nadia Roque Universidade Federal da Bahia, Brazil (Gochnatioideae)
• Edward E. Schilling University of Tennessee (Phytomelanic Cypsela Clade)
• Mark Simmons Colorado State University, Fort Collins, Colorado, USA (Celastrales)
• James F. Smith Boise State University, Boise, Idaho, USA (Gesneriaceae)
• Stacey D. Smith Duke University, Durham, North Carolina, USA (Malvales)
• Pam Soltis Florida Museum of Natural History and the Genetics Institute, Gainesville, Florida, USA (Angiosperms)
• Doug Soltis Department of Botany and the Genetics Institute, Gainesville, Florida, USA (Angiosperms)
• Franz Speta Biologisches Zentrum des Österreichischen Landesmuseums, Linz-Urfahr, Austria (Hyacinthaceae)
• Alfonso Susanna Botanic Institute of Barcelona, Spain (Carduoideae)
• Kenneth J. Sytsma University of Wisconsin, Madison, WI, USA (Myrtales)
• Mesfin Tedesse Ohio State University , Columbus, Ohio, USA (Coreopsideae)
• Benjamin Torke Academy of Natural Sciences, Philadelphia, Pennsylvania, USA (Swartzioid clade)
• Erin Tripp Rancho Santa Ana Botanic Garden (Acanthaceae)
• Lowell Urbatsch Louisiana State University, USA (Astereae)
• Linda Watson Oklahoma State Universtiy, Oklahoma, USA (Anthemideae, Senecionodae)
• Andrea Weeks George Mason University, Fairfax, Virginia, USA (Burseraceae)
• Martin F. Wojciechowski Arizona State University, Tempe, Arizona, USA (Fabaceae, Fabales)
• Kenneth Wurdack Smithsonian Museum Support Center, Maryland, USA (Malpighiales)
• Yong Yang State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, the Chinese Academy of Sciences (Ephedra)
• Elizabeth Zimmer National Museum of Natural History, Smithsonian Institution, Washington, D. C., USA (Angiosperms)

ToL Treehouse Contributors for Spermatopsida

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• 1sagebrush20
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• 1sagebrush26
• 1sagebrush3
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• 1sagebrush5
• 1sagebrush6
• 1sagebrush7
• 1sagebrush8
• 1sagebrush9
• aurelius1
• Kimberly Franklin University of Arizona
• Rylan Higgins University of Arizona
• Katherine Festeryga
• milesmonkey1
• milesmonkey2
• Lisa Schwartz University of Arizona
• SeoYoun Kim

ToL Media Contributors for Spermatopsida

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• 1sagebrush15
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• 1sagebrush20
• 1sagebrush22
• 1sagebrush24
• 1sagebrush27
• 1sagebrush3
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• 1sagebrush5
• 1sagebrush6
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• Diego Alarcon Chilebosque
• Mac H. Alford University of Southern Mississippi, Hattiesburg, Mississippi, USA
• Monica Arakaki University of Florida, Gainesville, Florida, USA
• Luisa Arana Navaridas
• aurelius1
• Michael Baird Enterprise High School
• Charles D. Bell University of New Orleans, New Orleans, Louisiana, USA
• Harvey Bernstein
• Jaimeson Birks McMaster University
• Agneta Julia Borg Stockholm University, Stockholm, Sweden
• Cesare Brizio
• Justin Brooks
• Andrew V. Z. Brower Middle Tennessee State University, Murfreesboro, Tennessee, USA
• Robin Cochran-Dirksen Lead-Deadwood High School
• Patrick Coin Durham Technical Community College
• Martin Dancak Dept. of Botany, Palacký University, Olomouc, Czech Republic
• Michael Donoghue Yale University, New Haven, Connecticut, USA
• Christine Edwards Department of Botany, University of Wyoming, Laramie, Wyoming, USA
• Elizabeth M. Frieders University of Wisconsin-Platteville, Wisconsin, USA
• David S. Gernandt Universidad Nacional Autonoma de Mexico
• John Giezentanner
• William J. Hahn Georgetown University, Washington, D. C., USA
• Amelia Hall
• Shawn M. Hamm Florida State University, Tallahassee, Florida, USA
• Rylan Higgins University of Arizona
• Jack Hill retired US Gov't
• Steffi Ickert-Bond University of Alaska Fairbanks
• Gabriel Ilisoi Private
• Leigh Johnson Brigham Young University, Provo, Utah, USA
• Bruce Jones Arizona State University
• Patrick Keeling The University of British Columbia, Vancouver, British Columbia, Canada
• Shawn Kenaley West Virginia University
• Carrie Kiel Rancho Santa Ana Botanic Garden
• W. John Kress Smithsonian Institution, Washington, D. C., USA
• Ted Kropiewnicki Retired
• Katherine Festeryga
• Brian S. Leander The University of British Columbia, Vancouver, British Columbia, Canada
• Chien Lee Sarawak Society for Natural Science
• Aaron Liston Oregon State University, Corvallis, Oregon, USA
• Stefan Luketa University of Novi Sad, Serbia
• Matthias Lutz Universität Tübingen, Tübingen, Germany
• David R. Maddison Oregon State University
• Wayne Maddison University of British Columbia, Vancouver, British Columbia, Canada
• Brandon Matheny Clark University, Worcester, Massachusetts, USA
• Richard M. McCourt Academy of Natural Sciences of Drexel University
• Manuel Mejia University of Exeter
• Wendy Moore University of Arizona, Tucson, Arizona, USA
• maximus1
• milesmonkey1
• milesmonkey3
• Paúl Enrique Nava Durán Comision Nacional de Areas Naturales Protegidas
• Kathryn Orzech University of Arizona
• Ostrich1
• Jose L. Panero University of Texas, Austin, Texas, USA
• Maria G. Pavlova
• Olle Pellmyr University of Idaho, Moscow, Idaho, USA
• Martin Pfosser Oberösterreichisches Landesmuseum, Linz, Austria
• Dirk Redecker University of Basel, Switzerland
• Katja Schulz Smithsonian Institution, National Museum of Natural History, Washington, DC, USA
• Lisa Schwartz University of Arizona
• Natasha Shelby
• Caleb Slemmons Colorado State University
• James F. Smith Boise State University, Boise, Idaho, USA
• Stacey D. Smith Duke University, Durham, North Carolina, USA
• Johnathan J. Stegeman
• Kurt Stüber Max-Planck-Institut für Züchtungsforschung, Köln, Germany
• Kenneth J. Sytsma University of Wisconsin, Madison, WI, USA
• Carla Testuser
• Homer Testuser
• Abacus Testuser
• Snezana Trifunovic Medical School in Pozarevac - Serbia
• Erin Tripp Rancho Santa Ana Botanic Garden
• Kitt Vollmer McMaster University
• Zheng Wang Yale University
• Martin F. Wojciechowski Arizona State University, Tempe, Arizona, USA

Other Spermatopsida biologists and enthusiasts

• Michelle Benton (Pinus)
• Trixi Bull india (Euryale ferox)
• Trixi Bull africa (Canellales)
• manuel chapa (Angiosperms, Cephalopoda, Fungi, Lepidogalaxias salamandroides, Saccharomycetales, Terrestrial Vertebrates)
• Jose Climent CIFOR-INIA (section Pinus)
• Kelley Cox Delaware Technical and Community College (Angiosperms, Animals, Arthropoda, Basidiomycota, Cephalopoda, Echinodermata, Eukaryotes, Fungi, Lepidogalaxias salamandroides, Life on Earth, Polemoniaceae, Protatlanta souleyeti, Terrestrial Vertebrates)
• LAVANYA DEVI Indian Institute of Horticultural research, (Spilanthinae)
• Mara Galvão Magenta Universidade Santa Cecilia (Heliantheae)
• Megan Hirst The University of Melbourne (Asteraceae)
• David Johnson Ohio Wesleyan University (Magnoliales)
• Elizabeth Kempton Claremont Graduate University and Rancho Santa Ana Botanic Garden, Claremont, California, USA (non-core Caryophyllales)
• M.V KRISHNARAJ Jawaharlal Nehru Tropical Botanic Garden and Research Institute (Fabaceae)
• Thomas Lansing SUNY Oneonta (Liliales)
• yuan li (Angiosperms, Annelida, Caudata, Euglenida, Fungi, Heliconius, Podanotum, Polemoniaceae, Terrestrial Vertebrates, Vampyroteuthis infernalis)
• Rosemary Mason Camosun College (Angiosperms, Animals, Eukaryotes, Fungi, Life on Earth, Plasmodium, Terrestrial Vertebrates, Thenaria)
• John Millington Hillview Hardy Plants (Acanthus Clade)
• Vitor Miranda (Lamiales)
• Jon Moore Florida Atlantic University (Acantheae, Acanthopterygii, Acanthus Clade, Acari, African Ruellia, Agaricales, Agaricomycotina, Aleocharinae, Aliatypus, Anacardiaceae, Andalucia, Ankylosauria, Arcellinida, Architeuthis, Archon bostanchii, Archonias brassolis, Argonauta, Asellariales, Aspidogastrea, Asteroidea, Atlanta brunnea, Aulacidae, Berryteuthis magister nipponensis, Bolitaena pygmaea, Bolitoglossinae, Calisto, Callichthyidae, Cardiapoda, Cardiapoda richardi, Carinaria, Carinaria challengeri, Carinaria cithara, Carinaria cristata, Carinaria galea, Carinaria japonica, Carinaria lamarcki, Carinariidae, Caryophyllales, Cassieae sensu lato (pro parte), Chaetothyriales, Chiroptera, Chlorarachniophytes, Cicindis horni, Ciconiidae, Classicula, Clusiidae, Core Eudicots, Crenarchaeota, Cryptalyra, Cryptomycocolax, Cryptoteuthis brevibracchiata, Cystobasidiomycetes, Dacrymycetales, Delitschiaceae, Dimargaritales, Diptera, Discoteuthis sp. A, Diversisporales, Echinodermata, Echinophthiriidae, Entomophthorales , Eunica, Euphasmida, Euruellia clade, Fabaceae, Firoloida demarestia, Florideophyceae, Fuscocimex caecus, Gerrardina, Gesneriaceae, Glomerales, Gregarina, Gruiformes, Harpellales, Hemidactylium scutatum, Heteroteuthis dispar, Heteroteuthis sp. A, Hydracarina, Hydrophiloidea, Hymenochaetoid clade, Hyperotreti, Hysteriaceae, IRLC (Inverted Repeat-lacking clade), Ichthyostega, Icteridae, Iridoteuthis iris, Iridoteuthis sp. A, Isanopus, Justicieae, Kickxellales, Leiopelma, Leishmania, Lepidogalaxias salamandroides, Leptosomus discolor, Libythea cinyras, Libytheinae, Lophiiformes, Magnapinna atlantica, Marattiaceae, Mastigoteuthis, Mastigoteuthis type beta, Melanoclusia bivibrissa, Melanosporales, Microbotryomycetes, Microsporidia, Mixia osmundae, Mochokidae, Monoblepharidales , Morpho, Mortierellales, Mucorales, Mygalomorphae, Mysmenidae, Neocallimastigales, Neornithes, Notholaena aureolina clade, Notonykia nesisi, Nymphalini, Odonata, Ommastrephidae, Ommastrephinae, Opisthoteuthis, Opisthoteuthis borealis, Osteoglossomorpha, Osteostraci, Oxygyrus keraudreni, Palaeognathae, Paraglomus, Parnassiinae, Passeriformes, Pelecaniformes, Percomorpha, Pipunculidae, Plasmodium, Polypodiales, Prodoxidae, Prokinetoplastina, Psocidae, Psocomorpha, Pteridaceae, Pterosoma planum, Pterotrachea, Pterotrachea coronata, Pterotracheoidea, Ptiliidae, Ptycta, Ptycta johnsoni, Pucciniomycetes, Rhinophrynus dorsalis, Rhizophydiales, Rhodomelaceae, Ruellia harveyana clade, Ruellia humilis clade, Ruellia inflata clade, Ruellia inundata clade, Ruellia jaliscana clade, Ruellia s. l., Salticidae, Samydaceae, Scyphostegia borneensis, Seymouriamorpha, Somasteroidea, Sordariomycetes, Speculum speculum, Spelerpinae, Spermophilopsis, Sporormiaceae, Stephanidae, Stephanopogon, Stephanopogon apogon, Stephanopogon minuta, Stoloteuthis leucoptera, Stratiomyidae, Synaphridae, Tetragnathidae, Tetraodontiformes, Theridiidae, Thunbergioideae, Tremellomycetes, Troctomorpha, Trogiomorpha, Trogonidae, Trypanosoma, Trypanosomatina, Verrucariaceae, Western Palearctic water frogs, Xerini, Zoopagales, Zygomycota, cheilanthoids, core Caryophyllales, core Notholaena, old Hyperoartia, supergenus Batrachoseps)
• Ashley Morris University of South Alabama (Austrobaileyales)
• Alexandra Muellner-Riehl University of Leipzig (Sapindales)
• Hans Naselang (Amborella trichopoda)
• Andrés Orejuela Universidad Nacional de Colombia (Solanales)
• Maria G. Pavlova (Ascomycota, Asteraceae)
• Sarisha Perumal UKZN (Asparagales)
• Alex Popovkin (Angiosperms)
• Alex Small (Agraulis vanillae, Anisonema, Archaea, Arthropoda, Astasia, Atraktomonas laevis, Brachiopoda, Bryozoa, Cassionympha cassius, Caudata, Cetacea, Chaetognatha, Chasmostoma nieuportense, Colacium, Craniata, Cryptobranchidae, Cycliophora, Deuterostomia, Dicamptodontidae, Dinoflagellates, Dinosauria, Dione, Dryadula phaetusa, Dryas iulia, Echiura, Elephantidae, Entosiphon, Euglena, Euglenopsis, Euglenozoa, Eutreptia, Eutreptiella, Fouquieriaceae, Gnathostomata, Gyropaigne, Heteronema, Hynobiidae, Jenningsia, Kinorhyncha, Lentomonas applanatum, Limnognathia maerski, Living Amphibians, Loricifera, Mollusca, Nematoda, Nematomorpha, Onychophora, Pauropoda, Peranema, Petalomonas, Phacus, Phoronida, Platyhelminthes, Plethodontidae, Priapulida, Proteidae, Pycnogonida, Rhyacotritonidae, Saccharomycetales, Salientia, Sirenidae, Sphenomonas, Ustilaginomycotina, Viruses, Wallemiales)
• Smithg14 Smithg14 I just ought to tell you which you have written an exceptional and distinctive post that I really enjoyed reading. Im fascinated by how nicely you laid out your material and presented your views. Thank you. gecddddfedbbefak (Lamiales)
• Neil Snow Univeristy of Northern Colorado (Myrtales)
• Mishkat Ullah Pakistan Museum of Natural History (Polemoniaceae, Terrestrial Vertebrates)
• Fanie Venter (Ericales)
• Dinesh Albertson Winston Botanical Survey of India (Acanthaceae)
• Fee Young University of Reading (Lacistemataceae)
• Add my name to the list