1. Myrcene: This terpene is known for its musky, earthy aroma and its sedative effects. It is often found in high concentrations in Indica strains and can contribute to the "couch-lock" effect.
2. Limonene: This terpene is known for its citrusy aroma and its mood-elevating effects. It is commonly found in high concentrations in Sativa strains and can contribute to reduce anxiety and improve mood.
3. Pinene: This terpene is known for its piney aroma and its bronchodilator and anti-inflammatory effects. It is often found in high concentrations in Sativa strains and can contribute to promote focus and concentration.
4. Linalool: This terpene is known for its floral, lavender aroma and its sedative effects. It is commonly found in high concentrations in Indica strains and can contribute to promote relaxation and reduce anxiety.
5. Caryophyllene: This terpene is known for its spicy, woody aroma and its anti-inflammatory effects. It can be found in higher concentrations in both Sativa and Indica strains and can contribute to promote a sense of well-being.
6. Humulene: This terpene is known for its earthy, woody aroma and its anti-inflammatory and appetite-suppressing effects. It is not as common as the other terpenes in marijuana, but can be found in some strains.
7. Terpinolene: This terpene has a piney, floral aroma and is known for its sedative and stress-relieving effects.
8. Ocimene: This terpene has a fresh, herbal aroma and is known for its anti-inflammatory and antiseptic properties.
9. Beta-Caryophyllene: This terpene has a woody, spicy aroma and is known for its anti-inflammatory effects.
10. Nerolidol: This terpene has a woody, floral aroma and is known for its sedative and anti-anxiety effects.
11. Bisabolol: This terpene has a floral, spicy aroma and is known for its anti-inflammatory and skin-healing properties.
12. Geraniol: This terpene has a floral, fruity aroma and is known for its anti-inflammatory and pain-relieving effects.
13. Camphene: this terpene has a earthy, musky aroma and is known for its anti-inflammatory and anti-bacterial properties.
14. Borneol: This terpene has a minty, woody aroma and is known for its sedative and anti-inflammatory effects.
15. Eucalyptol: This terpene has a refreshing, minty aroma and is known for its anti-inflammatory and analgesic properties.
16. Guaiol: This terpene has a spicy, woody aroma and is known for its anti-inflammatory and anti-cancer properties.
17. Cedrene: This terpene has a woody, cedar-like aroma and is known for its anti-inflammatory and anti-anxiety effects.
18. Fenchol: This terpene has a sweet, woody aroma and is known for its anti-inflammatory and anti-cancer properties.
19. Camphor: This terpene has a strong, medicinal aroma and is known for its pain-relieving and anti-inflammatory properties.
20. Phellandrene: This terpene has a fresh, peppermint-like aroma and is known for its anti-inflammatory and anti-cancer properties.

It's important to note that this list is not exhaustive and there are many other terpenes found in marijuana, each with its unique properties and characteristics