Matthew 23:23

Wo unto you scribes and pharisees, hypocrites, who tithe even your mint, and anise, and cummin, but neglect the weightier matters of the law, judgement, mercy, and fidelity: these ye ought undoubtedly to practise, and not to omit the others.

Luke 11:42

But wo unto you pharisees, who tithe even your mint, and rue, and all your herbs, and pass by judgement and the love of God: these ought ye to practise and not to omit the others.

Luke 18:12

I fast twice a week, and I give tithes of all that I possess.

Hebrews 7:5-9

And those indeed of the sons of Levi, who receive the priesthood, have a commandment according to the law to take tithes of the people, that is, of their brethren, though they came out of the loins of Abraham:

Treasury of Scripture Knowledge

Summary

And all the tithe of the land, whether of the seed of the land, or of the fruit of the tree, is the LORD'S: it is holy unto the LORD.

Bible References

General references

Matthew 23:23
Wo unto you scribes and pharisees, hypocrites, who tithe even your mint, and anise, and cummin, but neglect the weightier matters of the law, judgement, mercy, and fidelity: these ye ought undoubtedly to practise, and not to omit the others.
Luke 11:42
But wo unto you pharisees, who tithe even your mint, and rue, and all your herbs, and pass by judgement and the love of God: these ought ye to practise and not to omit the others.
Luke 18:12
I fast twice a week, and I give tithes of all that I possess.
Hebrews 7:5
And those indeed of the sons of Levi, who receive the priesthood, have a commandment according to the law to take tithes of the people, that is, of their brethren, though they came out of the loins of Abraham: