Thomas G. Lammers

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Augustus Green in the Lair of the Pye-a-Saw

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Obadiah Gray and the Mystery of the Centurion's Tes …

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Revision of Delissea : (Campanulaceae-Lobelioideae)

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Systematics of Clermontia (Campanulaceae-Lobelioide …

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World Checklist and Bibliography of Campanulaceae