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Madrean Archipelago

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Map Legend & Subregion List

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NameColor on MapEPA Code‡
Apachian Valleys and Low Hills79a
Lower Madrean Woodlands79b
Madrean Pine-Oak and Mixed Conifer Forests79c
Willcox Playa79d
Madrean Basin Grasslands79e

† 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.