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Editor's Picks

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An intercontinental artifical hybrid raised at Arboretum...
Roderick Cameron | Apr 12, 2020
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David More shares some of his magnificent illustrations of...
David More | Apr 08, 2020
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A project aims to recover and restore habitats in Serra de...
Justin Roborg-Söndergaard | Apr 07, 2020

Plant Focus

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First described by the Japanese botanist Bunzō Hayata in 1913, Quercus hypophaea is a medium to large evergreen oak restricted to the...

Quercus palmeri

Oaks in San Luis Obispo County

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This blog post focuses on the day and a half we spent in San Luis Obispo County. The tree of that leg of our trip was clearly Quercus agrifolia from the champion Ancestor tree at the Halter Ranch Winery to the pygmy trees of the Elfin Forest in Morro Bay.

Pleistocene clone of Quercus palmeri Engelm.

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The distribution of Palmer's oak (Quercus palmeri Engelm.) includes numerous isolated populations that are presumably relicts of a formerly larger range that has contracted due to spreading aridity following the end of the Pleistocene.

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