http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Vascular plants of the Pacific Northwest
pt. 1. Vascular cryptogams, gymnosperms, and monocotyledons / by C. Leo Hitchcock ... [et. al.] -- pt. 2. Salicaceae to Saxifragaceae / by C.L. Hitchcock and A. Cronquist -- pt. 3. Saxifragaceae to Ericaeae / by C.L. Hitchcock and A. Cronquist -- pt. 4. Ericaceae through Campanulaceae / by C.L. Hitchcock, A. Cronquist, and M. Ownbey -- pt. 5. Compositae / by A. Cronquist.
University of Washington publications in biology ; v. 17