black salsify vs black salsify

black salsify and black salsify both are nouns.

Word	Noun	Adjective	Verb	Adverb
black salsify	Yes	No	No	No
black salsify	Yes	No	No	No

black salsify (noun)	black salsify (noun)
long black salsify	long black salsify
perennial south European herb having narrow entire leaves and solitary yellow flower heads and long black edible roots shaped like carrots	perennial south European herb having narrow entire leaves and solitary yellow flower heads and long black edible roots shaped like carrots