Science, Biology, Flora and Fauna, Animalia - Micro Shells. Searchable database of marine shells and fresh-water shells and land snails, over 1,300 species in the world are listed.
Science, Biology, Flora and Fauna, Animalia - Gastrotricha World Portal. Detailed information about these small aquatic organisms, including overview, systematics, evolution, checklists, photos, and movies.
Science, Biology, Flora and Fauna, Plantae - PLANTS National Database. Online USDA database of information, images, and links on plants in the USA, including crops and invasives.
Science, Biology, Flora and Fauna, Plantae - Arboretum de Villardebelle. Includes photographs and information on conifers from around the world, gymnosperm taxonomy, and scientific articles.
Science, Biology, Flora and Fauna, Plantae - African Blackwood Conservation Project. Aims to help replenish the tree Dalbergia melanoxylon in Tanzania.
Science, Biology, Flora and Fauna - Nature of New England. Photos, facts, and links to information about birds, butterflies, mammals, and wildflowers of this region.
Science, Biology, Flora and Fauna - Census of Marine Life. A global network of researchers engaged in a ten-year initiative to assess and explain the past, present, and future diversity, distribution, and abundance of marine life in the oceans.