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