Tree Samples Students compile a collection of tree specimens that will serve as an identification manual for trees found in New York. Related NY State Academic Standards: CDOS.C.2.1.A, CDOS.C.2.1.B, CDOS.C.2.1.C and more! Be sure to check out our Educational Resources, featuring thousands of activities, lesson plans, constructed-response questions, rubrics, teacher resources, multimedia, and more!