genus Tilia vs Tilia

genus Tilia and Tilia both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Tilia	Yes	No	No	No
Tilia	Yes	No	No	No

As nouns, genus Tilia and Tilia are synonyms defined as:

genus Tilia and Tilia: deciduous trees with smooth usually silver-grey bark of North America and Europe and Asia: lime trees, lindens, basswood

genus Tilia (noun)	Tilia (noun)
deciduous trees with smooth usually silver-grey bark of North America and Europe and Asia: lime trees, lindens, basswood	deciduous trees with smooth usually silver-grey bark of North America and Europe and Asia: lime trees, lindens, basswood