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A guide to ozone injury in vascular plants of the Pacific Northwest
A guide to ozone injury in vascular plants of the Pacific Northwest Author:Sarah Brace This guide reports visual and descriptive documentation of ozone injury symptoms for common tree, shrub, and herbaceous species in the region. Symptoms observed in leaves of these species include chlorotic mottle, pigmented stipple, necrosis, and premature senescence, with considerable variation among and within species. Resource managers and sc... more »ientists can use the photo documentation in this guide to identify potential injury to plants in the field, and to distinguish ozone injury from other pathological conditions. Color photos.« less