The Buzz
Most Recent Comments

The Blog Roll
Regular Streams of Observation and Opinion
Biodiversity
Diversity, ecology and evolution

posted January 23rd, 2009

posted December 3rd, 2008

out on a limb
Tree stewardship

posted July 30th, 2009

posted June 24th, 2009

posted June 4th, 2009

tree huggers
Profiles of Arboretum scientists, researchers and other you should know

posted February 16th, 2009

posted August 28th, 2008

posted August 28th, 2008

LIBRARY NOTES
Loading blog...
ANDREW'S LAB

Plant Systematist and Herbarium Curator, The Morton Arboretum Lecturer, Committee on Evolutionary Biology, University of Chicago


MEMBER TALK
Conversations started by you


Posts Tagged ‘pests’

From the blog backyard arboretum by kjaros on Friday, July 10th, 2009

The Japanese beetle is native to Japan and was accidentally introduced into the United States in 1916. Since that time it has slowly spread from southern Maine to Georgia, and westward …

From the blog backyard arboretum by kjaros on Friday, June 19th, 2009

We've had more rain in the past two months than in any May or June in recent history. One of my office mates was just remarking today how beautiful her roses …

From the blog member talk by admin on Tuesday, October 7th, 2008

Erin
I have 2 pin oaks in my yard. When I looked up at one of the trees I noticed black circular spots on the leaves. Any ideas what this is and …