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Agricultural Research Service
U.S. Department of Agriculture

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Biocollections of the USDA Agricultural Research Service

U.S. National Arboretum Herbarium (NA)

Plant with several leaves on the bottom right hand corner and a cluster of purple flowers in the upper left

Pressed, dried plant specimens documenting USDA research and botanical exploration.

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U.S. National Seed Herbarium (BARC)

Five brown almond-shaped seeds about 5 mm long and about 3 mm wide with a 5mm scale provided

Extensive reference collection of preserved seed and fruit samples from around the globe.

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U.S. National Fungus Collections (BPI)

A brigth orange cluster of mushrooms on top of bark with moss on it

The Western Hemisphere's largest fungarium, including the John A. Stevenson Mycological Library.

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Entomopathogenic Fungal Cultures Collection

Irridescent pink and green beetle elytra with white fungal fruiting bodies exploding out of all corners

The largest, most comprehensive repository of insect pathogenic fungal strains and germplasm.

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