Question: What's the best way to distinguish young elm tree species apart from one another? We have a bunch coming up in our yard and we're trying to figure out if they are Winged, Cedar or ...

Guide to Tree Identification: ... Cedar leaves grow on flattened sprays or all around the twig. ... have sharp protrusions with smooth edges. Toothed leaves, such as elm, look like the edges are ...

Pests are ravaging keystone species like ash, elm, and beech. But researchers are breeding the survivors into more resilient populations. Port Orford cedar trees in Redwood National Park that were ...

While all elm species are susceptible to native elm wilt, the disease has most often been observed in cedar elms. McBride said the Dothiorella ulmi pathogen becomes more prevalent during extreme ...