TY - RPRT TI - Effects of spatial heterogeneity on butterfly species richness in Rocky Mountain National Park, CO, USA AU - S. Kumar AU - S.E. Simonson AU - T.J. Stohlgren PY - 2008 DO - 10.1007/s10531-008-9536-8 UR - https://pubs.usgs.gov/publication/70032494 ID - 70032494 ER -