Heracleum sphondylium vs cow parsnip

Heracleum sphondylium and cow parsnip both are nouns.

Word	Noun	Adjective	Verb	Adverb
Heracleum sphondylium	Yes	No	No	No
cow parsnip	Yes	No	No	No

As nouns, Heracleum sphondylium and cow parsnip are synonyms defined as:

Heracleum sphondylium and cow parsnip: tall coarse plant having thick stems and cluster of white to purple flowers

Other synonyms of Heracleum sphondylium include hogweed.

Heracleum sphondylium (noun)	cow parsnip (noun)
tall coarse plant having thick stems and cluster of white to purple flowers	tall coarse plant having thick stems and cluster of white to purple flowers