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  1. By: Schaack, Clark George
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 30
    Date: 1983
    Page Range: 79--88
    Publication Info: Berkeley, California Botanical Society,
  2. By: Schaack, Clark George
    Type: Article
    In: Phytologia
    Volume: 63
    Date: 1987
    Page Range: 301--303
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  3. By: Schaack, Clark George - Goodwin, Gregory A.
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 37
    Date: 1990
    Page Range: 299--304
    Publication Info: Berkeley, California Botanical Society,
  4. By: Schaack, Clark George - Goodwin, Gregory A. - Morefield, James D - Hirshberg, Jerilyn - Levin, Geoffrey A - Bourell, Mona - Daniel, Thomas Franklin - León de la Luz, José Luis.
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 35
    Date: 1988
    Page Range: 278--280
    Publication Info: Berkeley, California Botanical Society,
  5. By: Peterson, Paul M. - Annable, Carol R - O'Kane, Steve L - Neely, Elizabeth E - Wilken, Dieter H. - Schaack, Clark George - Henderson, Douglass M - Lackschewitz, Klaus - Lesica, Peter - Shelly, J. Stephen
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 35
    Date: 1988
    Page Range: 353--359
    Publication Info: Berkeley, California Botanical Society,
  6. By: Schaack, Clark George - Morefield, J D - Morefield, James D - Rominger, James M - Schoolcraft, Gary - Tiehm, Arnold - Joyal, Elaine - Goodrich, Sherel - Atwood, N. Duane (Nephi Duane) - Neese, Elizabeth - Hartman, Ronald L - Nelson, B E - Dueholm, Keith H.
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 32
    Date: 1985
    Page Range: 121--128
    Publication Info: Berkeley, California Botanical Society,
  7. By: Schaack, Clark George - Morefield, J D - Morefield, James D - Rominger, James M - Schoolcraft, Gary - Tiehm, Arnold - Joyal, Elaine - Goodrich, Sherel - Atwood, N. Duane (Nephi Duane) - Neese, Elizabeth - Hartman, Ronald L - Nelson, B E - Dueholm, Keith H.
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 32
    Date: 1985
    Page Range: 121--128
    Publication Info: Berkeley, California Botanical Society,
  8. By: Brown, Roy Curtiss - Schaack, Clark George
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 21
    Date: 1972
    Page Range: 304--304
    Publication Info: Berkeley, California Botanical Society,