| Portal Name & Link | Taxonomic Scope | Geographic Scope | Other Notes |
| Academy of Natural Sciences Entomology Collection | Invertebrates (insects, other arthropods) | Global | Maintained by the Academy of Natural Sciences of Drexel University |
| Bhutan Biodiversity Specimen Portal | All | Bhutan | |
| Big Bee Library | Invertebrates (bees) | Global | |
| Channel Islands Biodiversity Information System (Cal-IBIS) | All | Channel Islands, CA, USA | Maintained by the Santa Barbara Botanic Garden and Nature Conservancy |
| Consortium of California Herbaria (CCH2) | Plants | California Floristic Province, USA | |
| Consortium of Latin American Lichen Herbaria (CHLAL) | Fungi (lichens) | Latin America | |
| Consortium of Midwest Herbaria | Plants | Midwest USA | part of the SEINet Portal Network |
| Consortium of North American Bryophyte Herbaria (CNABH) | Plants (bryophytes) | Global | |
| Consortium of North American Lichen Herbaria (CNALH) | Fungi (lichens) | Global | |
| Consortium of Northeastern Herbaria (CNH) | Plants | Northeast USA | |
| Consortium of Pacific Herbaria | Plants | Pacific Islands | |
| Consortium of Small Vertebrate Collections | Vertebrates | Global | |
| Consortium of Southern Rocky Mountain Herbaria (SoRo) | Plants | Southwest/Central USA | part of the SEINet Portal Network |
| Cooperative Taxonomic Resource for American Myrtaceae (CoTRAM) | Plants (Myrtaceae) | North and South America | |
| Documenting Ethnobiology in Mexico and Central America (DEMCA) | All | Mexico and Central America | |
| Ecdysis | Invertebrates (arthropods) | Global | |
| EcoFloras of North America | Plants | North America | part of the SEINet Portal Network |
| Frullania | Frullania (liverwort) | Global | |
| Gabon Biodiversity | All | Gabon / West Africa | |
| Great Lakes Invasives Network | All | Midwest USA | Maintained by the University of Wisconsin-Madison |
| Guatemala Biodiversity | All | Guatemala / Latin America | |
| Herbario Virtual Austral Americano (HVAA) | Plants | southern South America (Argentina & Chile) | |
| Illinois Natural History Survey | All | Midwest USA | |
| Intermountain Herbaria Consortium | Plants | Central USA | part of the SEINet Portal Network |
| Invert-E-Base | Invertebrates | Global | |
| Lundell Plant Biodiversity Portal | Plants | Texas, Mexico, Mesoamerica | Maintained by the University of Texas at Austin |
| Macroalgal Herbarium Consortium | Algae | Global | |
| Madrean Discovery & Madrean Archipelago Biodiversity Assessment Project | All | Madrean Archipelago (southern USA and northern Mexico) | |
| Mid-Atlantic Herbaria Consortium | Plants | Northeast USA | part of the SEINet Portal Network |
| Minnesota Biodiversity Atlas | All | Minnesota, USA | Maintained by the Bell Museum at University of Minnesota |
| Monarch | All | Global | Maintained by the California Academy of Sciences |
| Mycology Collections Data Portal (MycoPortal) | Fungi | Global | |
| National Database of Biodiversity of Ecuador (BNDB) | All | Ecuador | |
| North American Network of Small Herbaria (NANSH) | Plants | North America | part of the SEINet Portal Network |
| NEON Biorepository | All | NEON field sites | |
| Neotropical Flora Portal | Plants | Central and South America | |
| Northern Great Plains Herbaria | Plants | North-central USA | part of the SEINet Portal Network |
| Open Herbarium | Plants | Global | |
| OregonFlora | Plants | Oregon | maintained by Oregon State University |
| Paleobotany | Plants (fossils) | Global | |
| Pacific Island Land Snail Biodiversity Repository (PILSBRy) | Invertebrates (terrestrial gastropods) | Pacific Islands | |
| PteridoPortal | Plants (ferns) | Global | |
| SEINet New Mexico-Arizona Chapter | Plants | New Mexico and Arizona, USA | part of the SEINet Portal Network |
| Southeast Regional Network of Expertise and Collections (SERNEC) | Plants | Southeast USA | part of the SEINet Portal Network |
| Smithsonian Tropical Research Institute Collections | All | Panama | |
| Symbiota Collections of Arthropods Network (SCAN) | Invertebrates (Arthropods) | Global | Maintained by the University of Arizona |
| Tardigrade | Tardigrades | Global | |
| Texas and Oklahoma Regional Consortium of Herbaria (TORCH) | Plants | Texas and Oklahoma, USA | part of the SEINet Portal Network |
| University of Colorado Museum of Natural History Herbarium (COLO) | Plants | Global | Maintained by the University of Colorado |