The Duke Herbarium contains over 800,000 specimens of vascular plants, bryophytes, algae, lichens, and basidiomycete fungi, including more than 1900 types. The collection is especially rich in specimens from the southeastern United States, but has synoptic representation worldwide. The Algal Herbarium at Duke was established by phycologist Richard Searles. The herbarium consists of 20,500 specimens of macro marine algae from the southeastern U.S., Caribbean, and Mexico, including over one hundred types.
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