One verse

Srimad Bhagavatam 4.8.55

4.8.55

सलिलै: शुचिभिर्माल्यैर्वन्यैर्मूलफलादिभि: । शस्ताङ्कुरांशुकैश्चार्चेत्तुलस्या प्रियया प्रभुम् ॥ ५५ ॥

salilaih sucibhir malyair vanyair mula-phaladibhih sastankuramsukais carcet tulasya priyaya prabhum

salilaih
by use of water
sucibhih
being purified
malyaih
by garlands
vanyaih
of forest flowers
mula
roots
phala-adibhih
by different kinds of vegetables and fruits
sasta
the newly grown grass
ankura
buds
amsukaih
by the skin of trees, such as the bhurja
ca
and
arcet
should worship
tulasya
by the tulasi leaves
priyaya
which are very dear to the Lord
prabhum
the Lord.

One should worship the Lord by offering pure water, pure flower garlands, fruits, flowers and vegetables, which are available in the forest, or by collecting newly grown grasses, small buds of flowers or even the skins of trees, and if possible, by offering tulasi leaves, which are very dear to the Supreme Personality of Godhead.