ploof-pack/assets/minecraft/blockstates/crimson_fungus.json

{
    "variants": {
        "": [
		{"model": "block/crimson_fungi", "weight": 100},
		{"model": "block/crimson_fungi_1", "weight": 100},
		{"model": "block/crimson_fungi_2", "weight": 100},
		{"model": "block/crimson_fungi_3", "weight": 100},
		{"model": "block/crimson_fungi_4", "weight": 100}
		]
    }
}