United States National Herbarium Type Specimen Register provides data and images for all type specimens deposited at US, including type specimens of Gesneriaceae.
Greenhouse image archive has numerous high-quality photographs of Gesneriaceae taken by Leslie Brothers in the Smithsonian’s research greenhouses.
Electronic Biologia Centrali-Americana is an online revision of the Gesneriaceae published by Hemsley in the multi-volume Biologia Centrali-Americana edited by Godman and Salvin in the 1880's. The original volumes, including vol. 2 (containing Gesneriaceae) have been scanned and are online.
A Checklist of the Trees, Shrubs, Herbs, and Climbers of Myanmar provides a searchable list of all the species of Myanmar (Burma).
Flora of the Hawaiian Islands can be searched for a complete listing of the Gesneriaceae of the Hawaiian Islands (Cyrtandra), with complete taxonomic, bibliographic, and type data.
Flora of the Marquesas Islands can be searched for a complete listing of the Gesneriaceae of the Marquesas Islands (Cyrtandra).
Checklist of the Plants of the Guianas can be searched for a complete listing of the Gesneriaceae of the Guianas (Guyana, Suriname, and French Guiana).
Preliminary Checklist of the Plants of the Guiana Shield can be searched for a complete listing of the Gesneriaceae of the entire Guiana Shield (Guyana, Suriname, French Guiana, and adjacent parts of Venezuela and Brazil).
Index Nominum Genericorum can be searched for a listing of generic names of Gesneiaceae, with information on authorship and publication.
The Genera of Gesneriaceae is a collaborative effort between Anton Weber (Institute of Botany, University of Vienna, Austria) and Laurence E. Skog with a complete list of the genera of Gesneriaceae, with descriptions, illustrations, and additional information on the family.
Research in Old World Gesneriaceae (Royal Botanic Garden Edinburgh) focuses on the Gesneriaceae subfamily Cyrtandroideae, which encompasses around 80 genera and over 1900 species.
Flora of China: The entire text of the treatment of Gesneriaceae by Wang Wen-tsai, Pan Kai-yu, Li Zheng-yu; Anna L. Weitzman, and Laurence E. Skog is available in html (includes links to illustrations) or pdf file.
Marie Selby Botanical Gardens has a long history of research on Gesneriaceae and numerous types of New World gesneriads are deposited in the SEL herbarium. For more information: Gesneriad Projects at Selby Gardens
The Gesneriad Society is a non-profit organization devoted to the cultivation and study of Gesneriaceae and the society’s website contains numerous links to other websites. Funding is available to students and researchers through the Elvin McDonald Research Endowment Fund. For information on the Endowment Fund, contact Larry Skog.
Gesneriad Reference Web is primarily a horticultural reference with basic taxonomic and cultural information and numerous high-quality photographs. Extensive list of links to other websites.
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