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The objectives of this study are to 1) determine the steppe habitat types and indicate the successional status of the current vegetation, 2) provide a mylar map of climax/relict communities, if any, for the entire park, 3) establish a network of permanent plots to evaluate changes in seral and climax communities for the North Unit and Sheep Mountain Table, and 4) provide a mylar map of candidate and/or listed rare, threatened, or endangered plant species per state and federal lists as they are encountered during the course of the study.

During the course of the 1990 field season a total of 143 sites were sampled, primarily within the Sage Creek Wilderness Area. Specific study sites were selected with use of soil survey photo-orthoquad maps. Once located, the vegetation which best represented the plant community residing on that soil type was selected for detailed study using the cover class system as described by Daubenmire (1959). The data collected during the 1990 field season is currently undergoing compilation in preparation for statistical analysis. No major problems were encountered during the field season which will limit our ability to meet project objectives.