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Northern Rockies

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Map Legend & Subregion List

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NameColor on MapEPA Code‡
Grave Creek Range-Nine Mile Divide15a
Camas Valley15b
Flathead Valley15c
Tobacco Plains15d
Flathead Hills and Mountains15e
Grassy Potlatch Ridges15f
Western Okanogan Semiarid Foothills15g
High Northern Rockies15h
Clearwater Mountains and Breaks15i
Lower Clearwater Canyons15j
Clark Fork Valley and Mountains15k
Salish Mountains15l
Kootenai Valley15m
Weippe Prairie15n
Coeur d Alene Metasedimentary Zone15o
St. Joe Schist-Gneiss Zone15p
Purcell-Cabinet-North Bitterroot Mountains15q
Okanogan-Colville Xeric Valleys and Foothills15r
Spokane Valley Outwash Plains15s
Stillwater-Swan Wooded Valley15t
Inland Maritime Foothills and Valleys15u
Northern Idaho Hills and Low Relief Mountains15v
Western Selkirk Maritime Forest15w
Okanogan Highland Dry Forest15x
Selkirk Mountains15y

† Status: ✓ = Complete ○ = Needs Image … = Incomplete ∅ = Stub Only

This code refers to the US EPA's Level 4 ecoregion codes for the continental U.S., see here.


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Plant Lists & In-Region Search

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Warning! This region extends outside the continental US. We have only built range maps for the portion of plant ranges in the continental US; these lists and searches may thus have major omissions for species which only occur in the portion of this region outside the continental US.