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  1. By: Gustafson, Alton H.
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 16
    Date: 1961
    Page Range: 72--74
    Publication Info: Berkeley, California Botanical Society,
  2. By: Gustafson, Alton H.
    Type: Article
    In: Rhodora
    Volume: 39
    Date: 1937
    Page Range: 153--155
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  3. By: Gustafson, Alton H.
    Type: Article
    In: Rhodora
    Volume: 44
    Date: 1942
    Page Range: 64--69
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  4. By: Goodale, A S - Grigg, F W - Gustafson, Alton H. - Harris, S K - Knowlton, Clarence Hinckley, - Potter, David - Sanford, S. N. F. - Seymour, F C - Smith, Lyman B.
    Type: Article
    In: Rhodora
    Volume: 44
    Date: 1942
    Page Range: 213--220
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  5. By: Gustafson, Alton H.
    Type: Article
    In: Rhodora
    Volume: 35
    Date: 1933
    Page Range: 263--264
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],