| Master OG | Cabin Fever Seed Breeders | | 80/20 | View variety |
| Master Orange | New420Guy Seeds | | 50/50 | View variety |
| Master Skunk | Sumo Seeds | | 20/80 | View variety |
| Master Thai's Green Dragon | Master Thai | | 60/40 | View variety |
| Master Widow | Unknown | | 50/50 | View variety |
| Master Windu's Saber | Lupos CannaSeed | | 60/40 | View variety |
| Master x Lemon Larry OG | Geistgrow | | 60/40 | View variety |
| Master Yoda | Unknown | | 90/10 | View variety |
| Masterkush | Dutch Passion | | 100/0 | View variety |
| Masterkush | Homegrown Fantaseeds | | 100/0 | View variety |
| Masterkush | positronics | | 60/40 | View variety |
| Masterkush x Skunk | Mr Nice Seedbank | | 60/40 | View variety |
| Masterlow | Mdanzig | | 100/0 | View variety |
| Masterpiece | In House Genetics | | 70/30 | View variety |
| Mastodon | Oregon Green Seed | | 70/30 | View variety |
| Mastodon Haze | Stillwater Genetics | | 50/50 | View variety |
| Mastodon Kush | Emerald Triangle | | 80/20 | View variety |
| Mastuj Chitral Purple Apricot | Indian Landrace Exchange | | 100/0 | View variety |
| Mata Hari | Basic Seeds | | 80/20 | View variety |
| Matanuska | Nirvana Seeds | | 50/50 | View variety |