CC Madhya 24.204

vyāsa-śuka-sanakādira prasiddha bhajana
‘nirgrantha’ sthāvarādira śuna vivaraṇa
Synonyms: 
vyāsa — of Vyāsadeva; śuka — of Śukadeva Gosvāmī; sanaka-ādira — of the four Kumāras; prasiddha bhajana — the devotional service is celebrated; nirgrantha — foolish, uneducated; sthāvara-ādira — of the immovable elements; śuna vivaraṇa — hear the description.
Translation: 
“The devotional service of Vyāsa, Śuka and the four Kumāras has already been well celebrated. Now let Me explain how immovable living entities like trees and plants engage in the Lord’s devotional service.