regions

The Pacific Ocean: The Pacific Basin Network presents herbarium specimen data from the Pacific Ocean, and covers Hawaii and territories and countries around the entire Pacific basin

The Pacific Northwest: The Consortium of Pacific Northwest Herbaria now covers a region including Washington, Oregon, Idaho, and Montana, and extending north into Alaska (which is also covered by Arctos) and British Columbia. It combines information for over 3.6 million specimen records and numerous online electronic resources from the region's 57 herbaria.

The Intermountain Region: The Intermountain Region is basically the region between the Sierra Nevada range and the Rocky Mountains range, extending north through the Snake River Plains. At it heart is the Great Basin, the largest area with only interior drainage in North America. The Intermountain Consortium includes herbaria from southern Idaho, Nevada and Utah. Some herbaria in the region also pool their information with herbaria in the Southwestern Environmental Information Network, others with herbaria in the Pacific Northwest.

The Southwestern Region: The Southwest Biodiversity Consortium covers the southwestern United States and adjacent northwestern Mexico. This area includes portions of the Colorado, Sonoran, Mohave, Great Basin, and Chihuahuan deserts, as well as the Rocky Mountains, Great Plains, Sierra Madre, Mediterranean California, and the forested mountains that rise out of the deserts. This herbarium network (the Southwestern Environmental Information Network or SEINet) includes herbaria from California, Arizona, New Mexico, Colorado, the Intermountain Region, and the Universidad de Sonora. It also provides access to regional specimens from the New York Botanical Garden and the Rocky Mountain Herbarium of the University of Wyoming.

Northeast: The Consortium of Northeastern Herbaria aggregates data from almost 20 institutions, and covers New England and surrounding areas, including the states of Maine, New Hampshire, Vermont, Massachusetts, New York, Connecticut, Rhode Island, Pennsylvania, New Jersey, and Delaware. It also includes Canada from eastern Ontario east to the Atlantic Ocean.

California: The Consortium of California web site accesses specimen information aggregated from over 20 California herbaria, including its largest herbaria. It also draws information from the herbaria of Harvard University and the New York Botanical Garden, both of which contain many historical collections from California.

Regions: US herbaria are grouped into nine broad regions. Some of these regions are associated with data portals that aggregate data from contributing herbaria for that region and make the data available online. While our ultimate goal is a national database that meets our ideals for data presentation, regional portals are an important intermediate step towards that goal and are likely to always be useful for individuals seeking regional data.