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Paul J.M. Maas
Naturalis Biodiversity Center
Leiden, Netherlands
6 articles by this author
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Monograph
Eighteen new species of Neotropical Costaceae (Zingiberales)
Paul J. M. Maas, Hiltje Maas-van de Kamer,     Thiago André,     David Skinner, Eugenio Valderrama, Chelsea D. Specht
10.3897/phytokeys.222.87779
 22-03-2023
 Unique: 3092 | Total: 4520  | Access Period:
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 75-127
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Research Article
Twelve new and exciting Annonaceae from the Neotropics
Paul J.M. Maas, Lubbert Y.Th. Westra,     Lars W. Chatrou, Nadja Verspagen,     Heimo Rainer, Nelson A. Zamora,     Roy H.J. Erkens
10.3897/phytokeys.126.33913
 02-07-2019
 Unique: 4685 | Total: 7451  | Access Period:
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 25-69
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Monograph
A taxonomic revision of the Neotropical genus Cremastosperma (Annonaceae), including five new species
    Michael D. Pirie,     Lars W. Chatrou, Paul J. M. Maas
Part of: A taxonomic revision of the Neotropical genus Cremastosperma (Annonaceae), including five new species
10.3897/phytokeys.112.24897
 26-11-2018
 Unique: 5418 | Total: 9350  | Access Period:
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 1-141
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Research Article
Revisions of Ruizodendron and Pseudephedranthus (Annonaceae) including a new species and an overview of most up-to-date revisions of Neotropical Annonaceae genera
    Roy Erkens, Jessica Oosterhof, Lubbert Y.Th. Westra, Paul J.M. Maas
10.3897/phytokeys.86.13773
 21-09-2017
 Unique: 3933 | Total: 6535  | Access Period:
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 75-96
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Research Article
Costus loangensis, an exciting new species from Gabon, Africa
Hiltje Maas-van de Kamer, Paul J.M. Maas, Chelsea Specht
10.3897/phytokeys.18.3713
 19-11-2012
 Unique: 6630 | Total: 9159  | Access Period:
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 11-18
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Research Article
Tetrameranthus (Annonaceae) revisited including a new species
Lubbert Y.Th. Westra, Paul J.M. Maas
10.3897/phytokeys.12.2771
 19-04-2012
 Unique: 8092 | Total: 11679  | Access Period:
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 1-21
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