Wake-Robin (Trillium underwoodii) 1937
Trilliums 1910
Trillium discolor 1938
Trillium erectum 1938
Wake-Robin (Trillium simile) 1939
Toad Trillium (Trillium sessile) 1920
Large White Trillium (Trillium grandiflorum) 1923
Painted Trillium (Trillium undulatum) 1924
Wake-Robin (Trillium grandiflorum) 1918
Wax Trillium (Trillium album) 1921
Whippoorwill Flower (Trillium hugeri) 1937
Red Trillium (Trillium erectum) 1918
Wake-Robin (Trillium sessile) 1920
Giant Trillium (Trillium chloropetalum) 1921
Whippoorwill Flower (Trillium H.) 1937
Sweet Trillium (Trillium vasyi) 1934
