| (Inter)National societies |
| Bromeliad Society International |
| Bromeliad Society of Germany (DBG) |
| Bromelia Contactgroep,
Dutch-Belgian Bromeliad Society |
| Bromeliad Society of Japan |
| Bromeliad Society of Australia Inc. |
| Cryptanthus Society |
| Regional societies in USA |
| Bromeliad Society of Houston |
| Bromeliad Society of San Francisco |
| Bromeliad Society of South Florida |
| New York Bromeliad Society |
| Sarasota Bromeliad Society |
| Regional societies in Australia |
| Bromeliad Society of New South Wales |
| Bromeliad Society of Queensland |
| Florida Council of Bromeliad Societies |
| Marie Selby Botanical Gardens & M.B. Foster Bromeliad Identification Center |
| University Utrecht Botanic Gardens (Bromeliaceae) |
| Bromeliflorae Museum of Paleontology, University of California |
| International Plant Names Index (IPNI) |
| Kew Record of Taxonomic Literature Royal Botanic Gardens Kew |
| Botanical Art Missouri Botanical Garden |
| Tropicos Plant Database Missouri Botanical Garden |
| Missouri Botanical Garden Digital Library 18-20th century botanical literature |
| Andean Botanical Information System The Field Museum, Chicago |
| National Herbarium of the Netherlands Leiden University |
| Internet Directory for Botany |
| Botanical Garden Information System |
| The Bromeliad Court | Tennis Maynard (USA), private collection |
| Bromeliad Forum | forum from South Africa |
| Bromeliário Cairé | Ludwig Buckup (Brazil), bromeliad species from South Brazil |
| Bromelien Sammlung Hromadnik | Lieselotte and Helmut Hromadnik (Austria), also habitat-photos |
| Bromelien.net and BromWiki | Timm Stolten (Germany), forum and information |
| Bromeliopolis | Online bromeliad magazine by Evan Bartholomew |
| BROM-L, Bromeliad Taxonomists
and Growers Discussion List | Eric Gouda (Netherlands), forum |
| Brötzmann's Tillandsienseite | Manfred Brötzmann (Germany), private collection |
| Charlie's Web of Bromeliads | Charles Dills (USA), photos and information |
| Dyckia Brazil | Constantino Gastaldi (Brazil), many photos of Dyckias |
| GardenWeb - iVillage Home & Garden Network | forum from USA |
| Paul's Broms | Paul Wingert |
| The Paradise: cacti, bromeliads
and nature in Brazil | Eddie Esteves (Brazil), many photos of unpublished species |
| Tillandsia-Salz, Tillandsien und andere Bromelien | Wolfgang Salz (Germany), private collection |
| Tillandsia-web | Andreas Böker (Germany), private collection |
| Tillandsia World | Akira Shimazaki (Japan), private collection |
| Uncle Derek Says | Derek Butcher (Australia), in the Florida Council website |
