Port of the original Skyrim mod to SSE by Dogola.  All credits go to him for the design and implementation.  Many thanks for allowing open permission to port this over.  The original mod can be found here:

Psilocybin Mushrooms
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Both of the .esp's have been saved in the Creation Kit in form 44.  No issues were detected by SSE NifOptimizer regarding the textures.  I installed it in my game and the mushrooms worked fine and the Tea and Book showed up after adding them via console.  The original mod also came with an optional file for a Fly Amanita Berserk effect that can be installed as well.  From what I can tell in the Creation Kit,  it basically applies the Ork Berserk effect after eating one:

50% less damage taken
200% damage done to enemies
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Important!!   Please watch the awesome video below by bal5050 on YouTube to find out if this mod is for you. Many kudos to him for the music and effort to make it.  If for any reason you find the use of drugs or psychedelic gameplay not to be your forte,  then please move on.  Everyone must make this decision on their own. 

This mod may not be for everyone and it is one of the more interesting and strange ones I have ported over.  Any comments are welcome as long as they are constructive and open minded.  NO trolling! I don't wanna hear it.  Take it for what it is.  If you are a sensitive little snowflake that gets offended by drug use and feel it has no place in Skyrim SE,  then run off to your "safe place" and get over it.  Us adults have better things to do.  I did not create this mod,  Dogola did.  All I did was port this over from Oldrim and the mod is offered as-is. 

Here is the description from Dogola from the Oldrim page:
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Now the Dragonborn can try the experiences of Psilocybin Mushrooms. 10 types of mushrooms that alter the perceptions of everything, and you
can also create a Mushroom Tea mixing all the mushrooms + 1 Moon Sugar at the cooking pot. Each one of the mushrooms provide a different trip,
some of them you can even have visions of Dremoras and wolves. The Mushroom Tea gives a longer and stronger trip, so be careful to take
some of them during battle. It's possible also to take two mushrooms at once, causing even more bizarre trips. You can find the mushrooms and
the tea at random potion vendors, but remember they are hard to be available.
There is also a book named Crassius' Mushroom Diary (some of you may remember that name from Morrowind).

Video by bal5050 and the3xcessivegamer



Mushroom list:

01Psilocybe Cubensis xx000d62
02Conocybe Cyanopus xx000d63
03Gymnopilus Purpuratus xx000d65
04Panaeolus Cinctulus xx000d67
05Psilocybe Weilii xx000d6b
06Psilocybe Serbica xx000d69
07Psilocybe Baeocystis xx000d6d
08Psilocybe Azurescens xx000d6f
09Psilocybe Semilanceataxx000d71
10Psilocybe stuntzii xx000d73

--Mushroom Tea xx0012d7
--Crassius' Mushroom Diaryxx00183c

xx= the form ID of the mod in your load order.
You can also go into the console and type 'help "psilocybe" 4' to get the ID numbers of each of the Mushrooms

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Credits:
Dogola:  For the original mod and allowing open permission to port this over to SSE
bchick3:  For a good guide that helped me port over mods like this one to SSE
Bethesda:  For Skyrim SE
The Nexus Community:  For a supportive group that makes gaming and modding fun.  Thank you!

Changelog:
6-18-2018:  Version 1.0   Initial release for Skyrim SE

My other ports from Oldrim:

Campsites in Skyrim SSE
Underwater Treasures SSE
Freshly Picked SSE
Cake O'Clock - Hearthfire Bakery SSE
Dwemer Fairies SSE
Exposed Armors - He-Man Outfit SSE
Freshly Ground SSE
Alternate Book Fonts SSE
Collect Ivy SSE
Shields of Skyrim SSE
Tempest Snow Elven Sword SSE
The Honey Spirit - Liquor Shop in Solitude SSE
Amulet of Auriel SSE
Hidden Treasures SSE
Seedy Merchant SSE
The Mystery of Icebound Crypt SSE
Hamvir the Ghost Follower SSE
The Golden Hen Restaurant SSE
Freshwater Cave Player Home SSE
Mushroom Soups SSE
Harvestable Elves Ear and Frost Mirriam SSE
Lumberjacked SSE
Filled Pots SSE
Golden Egg Treasure Hunt SSE
Bau Pet Supplies for SSE
Frostflow Lighthouse Player Home SSE
Archmage Necklace SSE
The Drunkards Drinks SSE
The Bloody Tankard SSE
Chicken's Bounty SSE
Buyable Decorative Daedric Shrines SSE
Chaurus Egg Cooking SSE
Gourmet Gourds SSE
The Merry Snowberry SSE
The Golden Rose SSE
Breezehome Basement 3x2 SSE
Ironback Hideout Player Home SSE

Disclaimer:
This mod is not to be sold under any circumstances.  Dogola made that very clear in his profile.  If you see this mod being sold anywhere,  its an illegal copy and should be reported immediately to a Nexus moderator.    I am not the original Author,  Dogola is. If you want to show appreciation,  please consider endorsing the original mod.  If you like this mod,  please endorse it.


Final thoughts:
Well not sure what to say about this one.  I found that no one ported it and decided to run with it. Not sure if anyone will like it or not or download and use it. I know it won't be for everyone but at the end of the day,  the player needs to decide what to install in their game and what not to.  That's the great thing about modding.  It's all about choice.  Let me know if there is any issues with the file.  I will try and check for comments and whatnot every day and help out and respond when I can.  Good luck and enjoy the port.