Taraxacum officinale vs Taraxacum ruderalia

Taraxacum officinale and Taraxacum ruderalia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Taraxacum officinale	Yes	No	No	No
Taraxacum ruderalia	Yes	No	No	No

As nouns, Taraxacum officinale and Taraxacum ruderalia are synonyms defined as:

Taraxacum officinale and Taraxacum ruderalia: Eurasian plant widely naturalized as a weed in North America; used as salad greens and to make wine

Other synonyms of Taraxacum officinale include common dandelion.

Taraxacum officinale (noun)	Taraxacum ruderalia (noun)
Eurasian plant widely naturalized as a weed in North America; used as salad greens and to make wine	Eurasian plant widely naturalized as a weed in North America; used as salad greens and to make wine