Photographic guides are presented to help estimate grazing utilization of important riparian grasses and grasslike plants. Graphs showing the percent of a plant's weight that has been consumed based on the percent of its height left after grazing allow utilization estimates to be refined further.
Kinney, John W.; Clary, Warren P. 1994. A photographic utilization guide for key riparian graminoids. Gen. Tech. Rep. INT-GTR-308. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 13 p.