I have one that I just posted, it is only cranberries, silt bean, snaptail reed and the brain fungus though. The gourds and mothman eggs are in known locations, and break badly in nifskope. I linked to the sugar bombs esp I use, which I recommend because it uses a trick to make the item still look nice.
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ESPs for these exists by other authors but variety's spicy.
Only includes plants for berry mentats. ( for those who don't know by heart ) :
Mentats x1
Firecracker berry x1
Starlight berries x1
Brain Fungus x1
Fallout Wiki page for Berry Mentats