SALEM, Ore. (KTVZ) – Oregon Department of Forestry staff recently completed an unprecedented effort to collect seeds from populations of Oregon ash (Fraxinus latifolia) trees throughout the Oregon ...

From British Columbia to California, volunteers are collecting ash seeds to help researchers at Oregon State University find genetic resistance to the invasive emerald ash borer. The emerald ash borer ...

Somewhere in Oregon — it's hoped — there is an ash tree genetically inclined to survive a looming existential threat. It would look just like any other Oregon ash, a species now at risk of functional ...

Leaves – compound; usually with 7 more or less elliptical, entire-serrate, petioled leaflets that turn purple in fall. Twigs – stout and glabrous. Buds – broadly ovoid with 4-6 brownish scales; first ...

PORTLAND, Ore. (KOIN) – The Oregon Department of Forestry spent three years collecting more than 900,000 seeds from populations of Oregon ash trees throughout the state. The ODF employees completed ...