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Oak Savanna Foothills
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The Oak Savanna Foothills border the Rogue and Illinois river valleys (Ecoregion 78a), sharing their Mediterranean-type climate. The driest area east of Medford is dominated by oak woodlands, grassland – savanna, ponderosa pine, and Douglas- fir. The wetter foothills flanking the Illinois Valley support Douglas-fir, madrone, and incense cedar. Ecoregion 78b is lower and less dissected, with more oak woodland and less closed-canopied forest than the Inland Siskiyous (78e).
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