Rhus genus --- Sumac family
skunkbrush (Rhus aromatica var. trilobata) -- in April -- Waterfall Trail, Lory State Park, CO yellow & orange
skunkbrush (Rhus aromatica var. trilobata) -- in August -- Orchard Cove Trail, Lory State Park, CO yellow & orange CO-LSP
smooth sumac (Rhus glabra) -- in July -- Rist Canyon, Roosevelt National Forest, CO red & pink CO-F
smooth sumac (Rhus glabra) -- in September -- Arthur's Rock Trail, Lory State Park, CO
littleleaf sumac (Rhus microphylla) -- in April -- Dripping Springs Natural Area, NM white & cream NM-S
staghorn sumac (Rhus typhina) -- in May -- Cathy Fromme Prairie, Fort Collins Natural Area, CO