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By: Zika, Peter F. - Farrar, Donald R.,
Type: Article
In: American fern journal
Volume: 99
Series:
Issue:
Date: 2009
Page Range: 249--259
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Chiou, Wen-Liang - Farrar, Donald R.,
Type: Article
In: American fern journal
Volume: 87
Series:
Issue:
Date: 1997
Page Range: 77--86
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Farrar, Donald R., - Parks, J C - Mcalpin, B W
Type: Article
In: Rhodora
Volume: 85
Series:
Issue:
Date: 1963
Page Range: 83--92
Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]
Subjects:
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By: Parks, J C - Farrar, Donald R.,
Type: Article
In: Rhodora
Volume: 86
Series:
Issue:
Date: 1984
Page Range: 421--424
Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]
Subjects:
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By: Peck, James H - Nekola, Jeffery - Farrar, Donald R.,
Type: Article
In: American fern journal
Volume: 79
Series:
Issue:
Date: 1989
Page Range: 28--29
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Stensvold, Mary C. - Farrar, Donald R., - Duffy, Aaron M.
Type: Article
In: American fern journal
Volume: 105
Series:
Issue:
Date: 2015
Page Range: 45-55
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Chiou, Wen-Liang - Farrar, Donald R., - Ranker, Tom A
Type: Article
In: American fern journal
Volume: 92
Series:
Issue:
Date: 2002
Page Range: 65--65
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Raine, Catherine A - Farrar, Donald R., - Sheffield, Elizabeth
Type: Article
In: American fern journal
Volume: 81
Series:
Issue:
Date: 1991
Page Range: 109--118
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Watkins, James E., Jr. - Farrar, Donald R.,
Type: Article
In: American fern journal
Volume: 92
Series:
Issue:
Date: 2002
Page Range: 171--171
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Farrar, Donald R., - Johnson-Groh, Cindy L.
Type: Article
In: American fern journal
Volume: 81
Series:
Issue:
Date: 1991
Page Range: 1--6
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Farrar, Donald R.,
Type: Article
In: American fern journal
Volume: 92
Series:
Issue:
Date: 2002
Page Range: 39--39
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Crane, Edmund H - Farrar, Donald R., - Wendel, Jonathan F
Type: Article
In: American fern journal
Volume: 85
Series:
Issue:
Date: 1995
Page Range: 283--305
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Mason, Nancy A - Farrar, Donald R.,
Type: Article
In: American fern journal
Volume: 79
Series:
Issue:
Date: 1989
Page Range: 143--145
Publication Info: [Washington, etc.] American Fern Society
Subjects:
-
By: Cayouette, Jacques, - Farrar, Donald R.,
Type: Article
In: The Canadian field-naturalist
Volume: 123
Series:
Issue: 3
Date: 2009-07-01
Page Range: 255--259
Publication Info: Ottawa Ottawa Field-Naturalists' Club
Subjects:
-
By: Farrar, Donald R.,
Type: Article
In: American fern journal
Volume: 66
Series:
Issue:
Date: 1976
Page Range: 49--52
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Mcalpin, Bruce - Farrar, Donald R.,
Type: Article
In: American fern journal
Volume: 68
Series:
Issue:
Date: 1978
Page Range: 97--98
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Farrar, Donald R., - Redfearn, Paul L.,
Type: Article
In: American fern journal
Volume: 58
Series:
Issue:
Date: 1968
Page Range: 32--34
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Stensvold, Mary C. - Farrar, Donald R., - Johnson-Groh, Cindy L.
Type: Article
In: American fern journal
Volume: 92
Series:
Issue:
Date: 2002
Page Range: 150--150
Publication Info: [Washington, etc.] American Fern Society
Subjects:
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By: Farrar, Donald R., - Mickel, John T.
Type: Article
In: American fern journal
Volume: 81
Series:
Issue:
Date: 1991
Page Range: 69--75
Publication Info: [Washington, etc.] American Fern Society
Subjects: