The Harvard University Herbaria include six collections and more than five million specimens of algae, bryophytes, fungi, and vascular plants. Together they form one of the largest university herbarium collections in the world, and the third largest herbarium in the United States. With their state-of-the art research laboratories and world class libraries, the HUH have been a centerpiece of biodiversity science since the early 1800s.

What is an herbarium?Use of the CollectionsDigital Resources

Featured Collection

Arnold Arboretum
Contains approximately 1.5 million specimens, especially strong in material from the Indo-Malesian region (India to the Philippines and Papuasia), China, Japan and eastern, and southeastern Asia.

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Citizen Science

Want to support research at the Harvard University Herbaria?

Interested in plants and fungi from expeditions or specific geographic areas?

You can be a citizen scientist by transcribing labels of macrofungi, lichens and bryophytes!

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