Hemerocallis lilio-asphodelus vs Hemerocallis flava

Hemerocallis lilio-asphodelus and Hemerocallis flava both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hemerocallis lilio-asphodelus	Yes	No	No	No
Hemerocallis flava	Yes	No	No	No

As nouns, Hemerocallis lilio-asphodelus and Hemerocallis flava are synonyms defined as:

Hemerocallis lilio-asphodelus and Hemerocallis flava: a day lily with yellow flowers

Other synonyms of Hemerocallis lilio-asphodelus include lemon lily.

Hemerocallis lilio-asphodelus (noun)	Hemerocallis flava (noun)
a day lily with yellow flowers	a day lily with yellow flowers