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Authors: Geoffrey A Levin | Michael Curto | Linda Allen | William A Weber | Bruce D Parfitt | Thomas K Todsen

Published in Madroño, in 1987, in volume 34, issue 2, pages 170-171

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Authors: Geoffrey A Levin | Jerilynn Hirshberg | Ken Fuller | Thomas C Fuller | G D Barbe | David H Wagner

Published in Madroño, in 1991, in volume 38, issue 2, pages 144-146

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Authors: James D Morefield | Vernon H Oswald | Dale W Mcneal | Geoffrey A Levin | Rich Rust | J Stephen Shelly

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Authors: Clark G Schaack | Gregory A Goodwin | James D Morefield | Jerilyn Hirshberg | Geoffrey A Levin | Mona Bourell | Thomas F Daniel | José Luis León De La Luz

Published in Madroño, in 1988, in volume 35, issue 3, pages 278-280

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Authors: Donald A Levin

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 233-253

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Authors: Review By: Geoffrey A Levin

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Authors: Geoffrey A Levin

Published in Annals of the Missouri Botanical Garden, in 1986, in volume 73, pages 86-98

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Authors: Geoffrey A Levin | Michael G Simpson

Published in Annals of the Missouri Botanical Garden, in 1994, in volume 81, pages 239-244

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Published in Torreya, in 1912, in volume 12, issue 8, pages 190-197

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Published in Biol Bull, in 1984, in volume 166, pages 494-508

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Published in Biol Bull, in 1986, in volume 171, pages 143-160

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Authors: Mark Fishbein | Rachel Levin

Published in Madroño, in 1997, in volume 44, issue 3, pages 268-276

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Authors: Geoffrey A Levin | Michael G Simpson

Published in Annals of the Missouri Botanical Garden, in 1994, in volume 81, pages 203-238

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Published in Bothalia, in 1987, in volume 17, issue 2, pages 181

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Published in Acta Botánica Mexicana, in 2012, in volume 101, pages 83-93

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Authors: Paul H Zedler | Virgia Moran | Trudy Relling | Geoffrey A Levin | Aaron Liston | Eliane M Norman | Jonas E Lawesson | Gayle Marrs-Smith

Published in Madroño, in 1987, in volume 34, issue 4, pages 381-382

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Authors: B D E Chatterton | B D Johnson | K S W Campbell

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Published in Transactions of The San Diego Society of Natural History, in 1985, in volume 21, pages 57-70

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Published in Rhodora, in 1963, in volume 65, issue 764, pages 359-63

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Published in Rhodora, in 1967, in volume 69, issue 777, pages 51-4

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Published in Bothalia, in 1969, in volume 10, issue 1, pages 59-66

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Authors: Janice E Bowers | Steven P Mclaughlin | Steve Boyd | Timothy Ross | Orlando Mistretta | Geoffrey A Levin | Michael Curto | Linda Allen | Larry Hendrickson | Paul C Hammond | Kenton L Chambers | Richard R Old | Joy D Mastrogiuseppe | Joseph E Laferriere | Cindy T Roché | Richard Spellenberg | Patti S Gallo

Published in Madroño, in 1993, in volume 40, issue 2, pages 132-138

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Published in Entomological News, in 1987, in volume 98, pages 135-139

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Authors: D B Ward | D W Hall

Published in Phytologia, in 2004, in volume 86, pages 65-74

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