trout lily vs Erythronium americanum

trout lily and Erythronium americanum both are nouns.

Word	Noun	Adjective	Verb	Adverb
trout lily	Yes	No	No	No
Erythronium americanum	Yes	No	No	No

As nouns, trout lily and Erythronium americanum are synonyms defined as:

trout lily and Erythronium americanum: eastern North American dogtooth having solitary yellow flowers marked with brown or purple and spotted interiors

Other synonyms of trout lily include amberbell, yellow adder's tongue.

trout lily (noun)	Erythronium americanum (noun)
eastern North American dogtooth having solitary yellow flowers marked with brown or purple and spotted interiors	eastern North American dogtooth having solitary yellow flowers marked with brown or purple and spotted interiors