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Author

John L Clark

The Lawrenceville School, Lawrenceville, United States of America

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2 articles by this author

Research Article

Three new species of Columnea (Gesneriaceae) from the western Andean slopes of Ecuador and Colombia

John L. Clark, Francisco Tobar, Laura Clavijo, Mathieu Perret, Catherine Helen Graham

10.3897/phytokeys.182.69016

20-09-2021

Unique: 634 | Total: 848

Reprint: € 4,80

67-82

Research Article

New circumscriptions add two northern Andean species to Kohleria (Gesneriaceae)

John L. Clark, Lou Jost

10.3897/phytokeys.179.65990

12-07-2021

Unique: 663 | Total: 881

Reprint: € 3,60

99-110

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