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  1. By: Nelson, J C
    Type: Article
    In: Torreya
    Volume: 18
    Issue: 2
    Date: 1918
    Page Range: 21--35
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  2. By: Nelson, J C
    Type: Article
    In: American fern journal
    Volume: 9
    Date: 1919
    Page Range: 103--106
    Publication Info: [Washington, etc.] American Fern Society
  3. By: Nelson, J C
    Type: Article
    In: American fern journal
    Volume: 12
    Date: 1922
    Page Range: 125--127
    Publication Info: [Washington, etc.] American Fern Society
  4. By: Nelson, J C
    Type: Article
    In: Rhodora
    Volume: 22
    Date: 1920
    Page Range: 191--192
    Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]
  5. By: Nelson, J C
    Type: Article
    In: Torreya
    Volume: 18
    Issue: 11
    Date: 1918
    Page Range: 220--226
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  6. By: Nelson, J C
    Type: Article
    In: Rhodora
    Volume: 24
    Date: 1922
    Page Range: 75--76
    Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]
  7. By: Nelson, J C
    Type: Article
    In: Torreya
    Volume: 17
    Issue: 9
    Date: 1917
    Page Range: 151--160
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  8. By: Nelson, J C
    Type: Article
    In: American fern journal
    Volume: 9
    Date: 1919
    Page Range: 93--95
    Publication Info: [Washington, etc.] American Fern Society
  9. By: Nelson, J C
    Type: Article
    In: Torreya
    Volume: 18
    Issue: 8
    Date: 1918
    Page Range: 172--173
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  10. By: Nelson, J C
    Type: Article
    In: Rhodora
    Volume: 24
    Date: 1922
    Page Range: 208--210
    Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]
  11. By: Nelson, J C
    Type: Article
    In: Torreya
    Volume: 20
    Issue: 6
    Date: 1920
    Page Range: 119--122
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  12. By: Nelson, J C
    Type: Article
    In: Torreya
    Volume: 18
    Issue: 9
    Date: 1918
    Page Range: 191--195
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  13. By: Nelson, J C
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 2
    Date: 1933
    Page Range: 81--83
    Publication Info: Berkeley California Botanical Society