Botany And Herbarium

Online Resources

From the Burke

The resources on this page are designed for research reference and use.

preserved plant specimen on page with herbarium stamp

More than 2.4 million plant, fungal, lichen, and algal specimen records from the Pacific Northwest.

small purple flowers

Images and information about bloom time, habitat, and distribution range for more than 2,700 plant species that grow wild in Washington.

Photo of fireweed in bloom

Images, species descriptions, range maps and bloom period for more than 850 common wildflowers, shrubs and vines that occur in Washington.

pressed specimens

The WTU Herbarium's total holdings number more than 650,000 specimens of vascular and nonvascular plants, fungi, lichens and marine algae.

washington state map showing localities of plant specimens in WTU database

A map of Washington state showing all vascular plant specimen localities in the Herbarium WTU collections database.

yellow-orange flowers

Explore the complete checklist of the vascular plants of Washington state.

Map view of San Juan Islands

A tool for mapping the distributions of vascular plant species in the San Juan Islands.

From Other Organizations
Consortium of North American Bryophyte Herbaria

Bryophyte digitization project supported by the National Science Foundation that provided funding to digitize the Herbarium's bryophyte collection. Visit their website.

Consortium of North American Lichen Herbaria

Lichen digitization project supported by the National Science Foundation that provided funding to digitize the Herbarium's lichen collection. Visit their website.

Global Plants Initiative

International type specimen databasing program funded by the Andrew Mellon Foundation. Responsible for funding for the Herbarium's types databasing project. Visit their website.

Macroalgae Herbarium Portal

Macroalgae digitization project supported by the National Science Foundation that provided funding to digitize the Herbarium's algae collection. Visit their website.

MyCoPortal

Macrofungi digitization project supported by the National Science Foundation that provided funding to digitize the Herbarium's fungal collection. Visit their website.

U.S. Bureau of Land Management

Financial support for Washington Flora Checklist and Flora of the Pacific Northwest revision project. Visit their website.

U.S. Fish and Wildlife Service

Financial support for Floristic Atlas of the San Juan Islands. Visit their website.

U.S. Forest Service

Administrative and logistical support for Herbarium Foray program and Flora of the Pacific Northwest revision project. Visit their website.

Washington Native Plant Society

Past and ongoing partnerships include Washington Flora Checklist, Plants of Washington Image Gallery, Flora of the Pacific Northwest revision project, Botany Washington and botanical workshops. Visit their website.

Washington Natural Heritage Program

Financial support for vascular plant specimen databasing and technical assistance with Washington Flora Checklist. Visit their website.

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