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Paul J.M. Maas
Naturalis Biodiversity Center
Leiden, Netherlands
6 articles by this author
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Eighteen n ...
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: 3858 | Total: 5676  | Access Period:
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 75-127
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Twelve ...
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: 5107 | Total: 8072  | Access Period:
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 25-69
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A taxonomic revision of the Neotropical genus Cremastosperma (Annonaceae), including five new species
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: 5906 | Total: 10126  | Access Period:
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 1-141
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Revisions ...
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: 4276 | Total: 7031  | Access Period:
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 75-96
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Costus ...
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: 6964 | Total: 9579  | Access Period:
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 11-18
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Tetrameranthus ...
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: 8420 | Total: 12129  | Access Period:
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 1-21
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