Upper Mark West

Upper Mark West

SiteID: CCMWC004

Lat: 38.5070844895

Long: -122.646152544

Upper Mark West is located on St. Helena Rd; 1/4 mile up from Calistoga Rd. The sample is taken upstream of the vehicular bridge.

Site Characterization

Field Observations


The overstory of this site includes two species of oaks (Quercus garryana (15% cover) and Quercus agrifolia (5% cover)), California bay (Umbellularia californica), madrone (Arbutus menziesii), and non-native privet (Ligustrum sp.). The tree species range from 4.2m tall near the bank to 12.76m tall. The understory is very diverse (compared to the other sites in this study) and includes California wild rose (Rosa californica), goldenback fern (Pentagramma triangularis), Lonicera sp., periwinkle (Vinca major), and a few other native and non-native species. Total Cover: 45%


Javascript is required to view this map.