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Editor's Picks

Emory oak near Young, Arizona © Nanebah Lyndon
Emory oak acorns are a critically important commodity for...
Website Editor | Feb 12, 2021
Ecological Landscape Alliance
Murphy Westwood and Tim Boland presented on oak diversity...
Website Editor | Feb 12, 2021
Keiko Tokunaga's Illustrated Fagaceae
Shaun Haddock reviews Keiko Tokunaga's latest book.
Shaun Haddock | Feb 09, 2021

Plant Focus

Quercus texana New Madrid acorn
Disentangling the cultivar published as Quercus texana ‘New Madrid’.


I have recently been asked to write or update the oak entries for Trees and Shrubs Online. This is a project to create a truly modern reference to temperate trees and shrubs. Currently there are...
Quercus depressa
Posted Mon, 2018-08-20 16:39 in Allen Coombes's blog
I enjoy finding giant trees, and always keep an eye open and a tape measure handy. Some of my finds are only giants in the sense that they are large for their species, such as my National...
Posted Thu, 2018-08-16 18:09 in Ryan Russell's blog
Abundant rain in southwest France in the early part of this year has fostered a bumper seed crop at Arboretum de la Bergerette, some (such as Quercus emoryi) already ripe: thus my thoughts turn...
Posted Thu, 2018-08-16 15:31 in Shaun Haddock's blog
I decided to develop a map which would allow the registration of all the oak trees in Israel.
Posted Tue, 2018-08-14 21:07 in Ezra Barnea's blog
It is written in the entry for Quercus chrysolepis at www.efloras.org that “Quercus chrysolepis is one of the most variable North American oaks.” If this comment relates primarily to the mature...
Posted Tue, 2018-08-14 20:20 in Dirk Giseburt's blog
Those coming to the IOS Conference in Davis, CA in October will see one of the best oak collections in the U.S. We invite you to include in your travel plans a visit to a different world, the...
Posted Fri, 2018-06-15 23:33 in Robert McCartney's blog
This year I harvested acorns in Grigadale Arboretum rather late in the season (April), at a stage when most species had dropped them. As trees are planted quite close together, in some cases I...
Posted Fri, 2018-06-15 16:07 in Roderick Cameron's blog
I conducted studies under the supervision of Dr. Ranbeer S. Rawal in the laboratory and an experimental nursery to understand seed germination behavior in relation to desiccation for different...
Posted Tue, 2018-06-12 18:56 in Meenakshi Negi's blog
Last April I briefly visited Canberra, the capital of Australia. I was able to take a day off to look at trees and spent most of it admiring the impressive collections of Australian native flora...
Posted Tue, 2018-06-12 14:40 in Roderick Cameron's blog
Bees are thieves! It’s official! After my recent note pointing out that bees were seemingly harvesting pollen from a Quercus suber without any commensurate benefit to the tree, serendipitously...
Posted Fri, 2018-04-20 20:33 in Shaun Haddock's blog
Over the first hundred days of 2018 I have read Dante’s Divine Comedy, as part of a mass-reading organized on Twitter by Pablo Maurette, an Argentine Literature Professor and author at the...
Posted Thu, 2018-04-19 18:46 in Roderick Cameron's blog
Allan Taylor sent me a link to an article describing efforts to bring back the oaks to Silicon Valley.
Posted Thu, 2018-04-19 12:45 in Roderick Cameron's blog


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