Welcome to Intermountain Regional Herbarium Network

The Intermountain Region is basically the region between the Sierra Nevada and the Rocky Mountains but the precise interpretation of the phrase varies. Most agree that the hydrologic Great Basin, the area with no external drainage, dominates the region. This basin is divided by north-south trending

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mountain ranges that are separated by wide valleys. The mountain ranges support woods and forests that are now essentially isolated from each other as well as from the Sierra Nevada and Rocky Mountains by the intervening valleys. The region�s biota is determined in large part by its variable and scant precipitation, most of which falls in winter, and its large fluctuations in temperature, both daily and seasonal.

This site is brought to you in collaboration with the SEINet Network. Please send questions or comments to Kristian.Valles@usu.edu.


Homepage Search Collections Image Library Links Crowdsourcing Flora Projects Regional Floras Colorado Floras Utah Floras Colorado Plateau Teaching Checklists Dynamic Tools Dynamic Checklist Dynamic Key Log In New Account Sitemap	Welcome to Intermountain Regional Herbarium Network The Intermountain Region is basically the region between the Sierra Nevada and the Rocky Mountains but the precise interpretation of the phrase varies. Most agree that the hydrologic Great Basin, the area with no external drainage, dominates the region. This basin is divided by north-south trending Plant of the Day What is this plant? Click here to test your knowledge mountain ranges that are separated by wide valleys. The mountain ranges support woods and forests that are now essentially isolated from each other as well as from the Sierra Nevada and Rocky Mountains by the intervening valleys. The region�s biota is determined in large part by its variable and scant precipitation, most of which falls in winter, and its large fluctuations in temperature, both daily and seasonal. This site is brought to you in collaboration with the SEINet Network. Please send questions or comments to Kristian.Valles@usu.edu.