Red oak.
Weber
R W
RW
D000485:Allergens / Q000276:immunology; D003429:Cross Reactions; D006801:Humans; D006969:Hypersensitivity, Immediate / Q000276:immunology; D011058:Pollen / Q000033:anatomy & histology / Q000276:immunology; D014197:Trees / Q000033:anatomy & histology / Q000145:classification / Q000276:immunology
D000485:Allergens