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A collaborative effort among several internationally known natural history institutions, with the goal of providing detailed information about all 1.8 million species of organisms on Earth via a single, free web portal. Content is synthesized from published literature and verified by volunteer scientists. Most of the content is text, although multimedia and interactive content is available for some entries.
The Index Herbariorum entry for an herbarium includes its physical location, Web address, contents (e.g., number and type of specimens), history, and names, contact information and areas of expertise of associated staff.
From Ohio State University, includes an internet search engine dealing strictly with plants, a searchable database of high quality plant images, a collection of short gardening how-to videos, answers to commonly asked gardening questions, and a glossary of commonly used horticultural terms.