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Editor's Picks

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The Morton Arboretum, in collaboration with Botanic Gardens...
Website Editor | Jul 17, 2019
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Stelian Radu, a founding member of the IOS, accomplished an...
Website Editor | Jun 16, 2019
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Scientists in Poland have successfully micropropagated 500...
Website Editor | May 30, 2019

Plant Focus

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Quercus look is one of the least-known oaks of the arid mountains of the Middle East. It grows on Mount Hermon and in the Anti-Lebanon...

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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