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1996, Flora del Paraguay. Angiospermae, Volume 25, 349
Book
1996, Flora del Paraguay. Angiospermae, Volume 25, 349
Book
1981, Phanerogamarum monographiae, ISBN 9783768212946, Volume t. 14., 310
Book
2017, Systematic botany monographs, ISBN 9781943751013, Volume 101., 90 pages
Book
1991, Opera botanica, ISBN 8788702499, Volume no. 104., 195
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1995, Monographs in systematic botany from the Missouri Botanical Garden, ISBN 9780915279326, Volume 55, viii, 507
Book
1995, Monographs in systematic botany from the Missouri Botanical Garden, ISBN 9780915279319, Volume 54, 55., 3 v.
Book
1994, Pródromo de la flora fanerogámica de Argentina Central, Volume no. 1., 65
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1992, SIDA, bot. misc., Volume no. 8., iv, 46
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1987, University of Waterloo biology series, Volume no. 30, 88
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1987, Monographs in systematic botany from the Missouri Botanical Garden, Volume 22., ix, 581
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1974, Publication / Field Museum of Natural History, Volume 24, v.
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1973, Fieldiana. Botany, Volume 1168, 31-50
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1970, Publications of the Museum, Michigan State University. Biological series, Volume 4, no. 8, [283]-383
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1969, Transactions of the San Diego Society of Natural History, Volume 15, no. 11, [149]-164
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