You must use the Biomes O' Plenty world type when creating a world for biomes to generate!
To use the mod on a server for 1.15 and above, the level-type setting in server.properties must be set to biomesoplenty. For 1.12.2 and below, set level-type in server.properties to BIOMESOP. You must use a new world, otherwise our biomes will not generate.
You may use this mod in a modpack as long as you do not sell it via any means (Exclusive access from donations, etc.), you give credit (Linking back to this page), you do not make any changes to the mod aside from config files, and you follow all of the other terms listed in the license.
Biomes O' Plenty is an expansive biome mod for Minecraft that adds a slew of new, unique biomes to the Overworld and Nether! To go along with the new biomes, it adds new plants, flowers, trees, building blocks, and much more!