Editing Poison Mushroom

{{distinguish|Rotten Mushroom}}
{{item infobox
|image=[[File:SMP Poison Mushroom.png|200px]]<br>Artwork of a Poison Mushroom from ''[[Super Mario Party]]''
|first_appearance=''[[Super Mario Bros.: The Lost Levels]]'' ([[List of games by date#1986|1986]])
|latest_appearance=''[[Super Mario RPG (Nintendo Switch)|Super Mario RPG]]'' ([[Nintendo Switch]]) ([[List of games by date#2023|2023]])
|effect=Hurts or defeats Mario ([[Super Mario (series)|''Super Mario'' series]])<br>Shrinks and worsens player ([[Mario Kart (series)|''Mario Kart'' series]], ''[[Donkey Kong (Game Boy)|Donkey Kong]]'', ''[[Luigi's Mansion]]'', and [[Super Smash Bros. (series)|''Super Smash Bros.'' series]])<br>Poisons player (role-playing games)<br>Lowers Dice Block roll (most [[Mario Party (series)|''Mario Party'' games]])
}}
A '''Poison Mushroom''' (alternatively '''Poison Shroom'''), also known as '''Cursed Mushroom''' in some games of the [[Mario Party (series)|''Mario Party'' series]], is a harmful variety of [[Mushroom]] that first appeared in ''[[Super Mario Bros.: The Lost Levels]]''. Usually, they have the opposite effects a [[Super Mushroom]] may have, and while they are sometimes called a [[List of power-ups|power-up]], they act more like a hindrance or trap. The Poison Mushroom has had a variety of different appearances throughout ''[[Super Mario (franchise)|Super Mario]]'' media, most of which have an angry expression in comparison to the majority of Mushrooms, with some depictions showing them with a skull, a common symbol to represent death, on their caps, while others have shown them with a purple cap with magenta spots. The [[Rotten Mushroom]], which debuted in ''[[Super Mario Maker 2]]'', is a similar type of mushroom, only differing from the Poison Mushroom by its ability to jump.
==History==
===''Super Mario'' series===
====''Super Mario Bros.: The Lost Levels''====
{{multiframe
|[[File:SMBLL Poison Mushroom Sprite.png]] [[File:SMAS SMBLL Poison Mushroom.png]] [[File:Poison Mushroom SMBDX.png]]
|From left to right: NES, SNES and GBC
|size=60
|align=left
}}
[[File:SMBLL Poison Mushroom Artwork.png|thumb|100px|Official art]]
Poison Mushrooms made their debut in ''[[Super Mario Bros.: The Lost Levels]]''. They will defeat [[Small Mario]] or Luigi, revert [[Super Mario (form)|Super]] or [[Fire Mario]] into Small Mario, and will have no effect on [[Invincible Mario]] or a just-damaged invulnerable Mario. Unlike enemies, they disappear when touched and do not award points when Invincible Mario collides with one. As with all Mushrooms, the game will allow only one to be on screen at a time, so a player can get rid of a Poison Mushroom by revealing a [[Super Mushroom]] or a [[1-Up Mushroom]], causing the first one to disappear. Poison Mushrooms can be found in [[Brick Block]]s, [[? Block]]s, and [[Hidden Block]]s alike, and generally appear as a dull brown, blue, or gray mushroom in the original FDS game (depending on whether the level is set on ground, underground, or in a castle, as they share the exact same color palette as the Goombas in those levels). The original artwork (seen on the right), though, depicts them with a much more sinister appearance, sporting shadowy eyes and a menacing grin. In the ''[[Super Mario All-Stars]]'' remake, Poison Mushrooms are also known as '''Poisonous Mushrooms'''<ref name=All-Stars>{{cite|title=''Super Mario All-Stars'' Player's Guide|page=28}}</ref> or '''Blue Mushrooms'''<ref name=All-Stars/> and appear as blue-skulled, purple-capped mushrooms with angry eyes, making them much more visually obvious. This change to maintain obviousness was carried over to the ''[[Super Mario Bros. Deluxe]]'' port, though with a red stalk, green cap, and pink skull, and without eyes. In the brief cinematic that plays on the title screen if one waits long enough without touching the controls, Mario is shown being defeated by a Poison Mushroom.
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====''Super Mario Advance 4: Super Mario Bros. 3''====
[[File:SMA4_poison_mushroom.png|frame|left]]
Poison Mushrooms reappear in ''[[Super Mario Advance 4: Super Mario Bros. 3]]'' as blue mushrooms with white skulls on their caps, and retain their effects from ''Super Mario Bros.: The Lost Levels'', though any higher-tiered forms (Fire, [[Raccoon Mario|Raccoon]], etc.) revert to Super form instead (unless the [[Teki Power Up! Tokuten x2!!|red switch card]] is used). They appear in the [[World-e]] level [[Vegetable Volley]], hiding under [[grass]] rather than in blocks. They can also appear if the [[Blue Green Switch]] is active.

====''Super Mario 3D Land''====
[[File:PoisonShroom.png|thumb|upright=0.5]]
Poison Mushrooms return in the Special Worlds of ''[[Super Mario 3D Land]]'', retaining their effects from ''Super Mario Advance 4''. In this game, they somewhat behave like enemies, as they follow Mario or Luigi around until he is in an area that they cannot get to, or they fall into a bottomless pit. They can also be destroyed by [[fireball]]s or [[boomerang]]s, invincibility from a [[Super Star]] or [[Invincibility Leaf]] or by [[Statue Mario|transforming into a statue]] to make them vanish on contact. In addition, grabbing a Super Star will cause them to flee until the player returns to normal. They use their design from ''[[Mario Hoops 3-on-3]]'' but with angry eyes, being purple with magenta spots and emitting purple dust (possibly spores) when released and grabbed.

===''Mario Kart'' series===
[[File:PoisonMushroomSMK.png|frame|left]]
[[File:PoisonMushroomMKAGP.png|frame]]
Poison Mushrooms infrequently appear as items in the [[Mario Kart (series)|''Mario Kart'' series]]. In ''[[Super Mario Kart]]'', Poison Mushrooms, which have red-spotted yellow caps, similarly to Super Mushrooms in ''Super Mario Bros.'', are only used by CPU-controlled drivers [[Toad]] and the [[Princess Peach|Princess]], not by the player. If any driver runs into a Poison Mushroom, they would become small, ending up moving slow and vulnerable to other karts in the area, as they can end up squashed if run over by a full-sized kart. The player can also return to normal size if they run into another Poison Mushroom; this also works if the player were made small from [[Lightning]] by the other player (as CPU players cannot use Lightning in this game). In ''[[Mario Kart Arcade GP]]'' and ''[[Mario Kart Arcade GP 2]]'', the Poison Mushroom is one of Toad's special items, and he can throw the Poison Mushrooms either in front of him or from behind. Poison Mushrooms retain their typical effect of shrinking whoever drives into them, but they instead have a black cap with magenta spots, similarly as in ''Luigi's Mansion''.

===''Donkey Kong'' (Game Boy)===
[[File:DKChase4.png|thumb|left|upright=1.1|[[Donkey Kong]] throwing a Poison Mushroom at [[Mario]]]]
[[File:DKGB Mushroom.png|frame]]
Poison Mushrooms were featured in the [[Game Boy]] version of ''[[Donkey Kong (Game Boy)|Donkey Kong]]'', introduced in [[Stage 4-8]]. Sometimes, [[Donkey Kong]] or [[Donkey Kong Jr.]] will throw them at Mario, and sometimes they are contained inside [[barrel]]s. Whenever Mario comes in contact with one of them, it will cause him to briefly shrink in size, disabling some of his abilities in the process (the ability to swim, climb ladders, etc.). After a few seconds, Mario grows back to his regular size. In the final level, they seem to have a similar effect to [[Super Mushroom]]s on Donkey Kong, causing him to grow to colossal size.
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===''Super Mario RPG: Legend of the Seven Stars''===
[[File:BadMushroomSMRPG.png|thumb]]
[[File:Red Mushroom.png|frame|left]]
Poison Mushrooms, originally known as '''Bad Mushrooms''', reappear in ''[[Super Mario RPG: Legend of the Seven Stars]]''. They can be purchased in [[Seaside Town]] while [[Speardovich]] is in control of the town, and can only be used in battle. They can also be obtained after using a [[Yoshi Cookie]] on an [[Amanita]] or [[Chewy]], and occasionally from [[Kriffid]]s after defeating them. When used, Poison Mushrooms poison an enemy of choice, though some [[Super Mario RPG: Legend of the Seven Stars bestiary|enemies]] are immune. Their official artwork depicts them with their above-ground ''Super Mario Bros.: The Lost Levels'' coloration, but they appear identical to regular [[Mushroom]]s in game. The [[Super Mario RPG (Nintendo Switch)|Nintendo Switch version]] gives them their modern colors.

===''Mario Party'' series===
{{split|Poison Mushroom|Cursed Mushroom|section=y}}
[[File:Poisonous Mushroom Board Play MP1.png|frame|left]]
Poison Mushrooms commonly appear throughout the [[Mario Party (series)|''Mario Party'' series]]. They first appear in ''[[Mario Party]]'', where if the player gets the Poisonous Mushroom (as the game calls it) from landing on a [[Mushroom Space]], they lose their next turn.

Poison Mushrooms have appeared in a few minigames. In ''[[Mario Party 2]]'', they appear in [[Rakin' 'em In]], which refers to them as '''Poison Purple Mushrooms''', and if the player grips and drags a Poison Purple Mushroom into their goal, they lose three points. In ''[[Mario Party: Island Tour]]'', images of Poison Mushrooms are stuck on some panels in [[Emergency Hexit]]. If not removed quickly, they would consume 5 seconds from the game's timer every once in a while. The player can get rid of Poison Mushroom panels by clearing a row of identical panels that is adjacent to them. In ''[[Mario Party 10]]'', Poison Mushrooms, maintaining their ''Super Mario 3D Land'' design, appear only in the minigame [[Movin' Mushrooms]], where if they fall into one of the carts, the respective team loses three points.
[[File:MP3 Poison Mushroom.png|frame|left]]
Since ''[[Mario Party 3]]'', Poison Mushrooms have begun to appear as usable board item. In said game, the Poison Mushroom has an indigo cap with pale lime-green spots. It can be obtained by either playing an item minigame, or by paying 5 coins at [[Baby Bowser's Shop]]. A Poison Mushroom can either be used by the player or applied onto of their opponents. A player who is cursed by a Poison Mushroom can only roll a 1, 2, or 3 on their next turn, but the curse can be undone by using another Mushroom or a [[Magic Lamp]]. If the player's character is still under effect of the mushroom, [[Tumble]] will say that they are still sick from it. It is [[Waluigi]]'s favorite item. In ''[[Mario Party 5]]'', the Poison Mushroom, retranslated as the "Cursed Mushroom", is now a [[Cursed Mushroom Orb|capsule]]. If a character lands on a space where it has been placed or if the player uses it on themselves, they can only roll the die with numbers from 1 to 5. In [[Super Duel Mode]], when the player collides into a Cursed Mushroom, it will temporarily hinder the player's speed and control. The Cursed Mushroom reappears in both ''[[Mario Party 6]]'', where it instead reduces the Dice Block numbers from 1-6 to 1-3 and exclusively appears in Solo Mode, and ''[[Mario Party 7]]'', where a Cursed Mushroom can now only be obtained from a [[Koopa Kid Space]]. In ''Mario Party: Island Tour'', Poison Mushrooms exclusively appear as an item on [[Perilous Palace Path]], where using one subtracts two from a rival’s roll of the Dice Block. Similarly, in ''[[Mario Party: Star Rush]]'', ''[[Mario Party: The Top 100]]'', and ''[[Super Mario Party]]'', Poison Mushrooms can also be used on other players to subtract two from their dice roll and allies, and the effects of this item are capable of stacking.

===''Luigi's Mansion''===
[[File:LM Poison Mushroom.png|left|thumb|upright=0.85|The Poisonous Mushroom.]]In ''[[Luigi's Mansion]]'', Poison Mushrooms, also referred to as '''purple mushrooms'''<ref>{{cite|author=Loe, Casey|title=Luigi's Mansion Perfect Guide|publisher=Versus Books|isbn=1931886008|page=11}}</ref> or Poisonous Mushrooms,<ref>{{cite|author=Bogenn, Tim|title=Luigi's Mansion Official Strategy Guide|publisher=BradyGAMES|isbn=0744001196|page=11}}</ref> are dropped by [[portrait ghost]]s when Luigi tries to suck them up. Poison Mushrooms can also be found by vacuuming or interacting with various objects throughout the mansion, and they have a chance of appearing during the final boss battle whenever [[King Boo]]'s [[Bowser]] suit destroys a pillar. These mushrooms bounce around the room for a few seconds before disappearing. On contact, they cause Luigi to shrink and drop ten coins on the floor. Additionally, Luigi cannot use his [[Poltergust 3000]] in this form, potentially allowing the portrait ghosts to escape his vacuum and thereby reduce the portrait rank. While in this small state, Luigi's voice clips are high-pitched and he takes more damage when he gets hit. After several seconds, the Poison Mushroom's effect wears off and Luigi's size returns to normal.

In the [[Luigi's Mansion (Nintendo 3DS)|Nintendo 3DS remake]], Poison Mushrooms can be turned into Super Mushrooms if Mario's [[amiibo]] is scanned.

===''Super Smash Bros.'' series===
{{main-wiki|SmashWiki|Poison Mushroom}}
{{multiple image
|direction=horizontal
|footer=Poison Mushroom, as seen in the Wii U and 3DS versions
|width=200
|image1=Poison Mushroom SSB4 Wii U.jpg
|image2=SSB4 3DS PoisonMushroom.jpg
}}
Poison Mushrooms appear as items in the [[Super Smash Bros. (series)|''Super Smash Bros.'' series]], starting with ''[[Super Smash Bros. Melee]]''. They have a similar appearance to Super Mushrooms, though Poison Mushrooms are duller in color, which is unique to the series, and feature angry eyes, similar to their debut appearance. They are grabbed upon running into them, and they make the player smaller and easier to launch. While tiny, the fighter's attacks have much less reach, and they move noticeably slower, while being able to jump higher. Aesthetically, the fighter's voice becomes higher-pitched. In [[Underground Maze]], the screen zooms in while a character is under the effect of a Poison Mushroom.

Fighters at Poison Mushroom size are weaker, which is more noticeable in ''[[Super Smash Bros. Brawl]]'', ''[[Super Smash Bros. for Nintendo 3DS]]'' / ''[[Super Smash Bros. for Wii U|Wii U]]'', and ''[[Super Smash Bros. Ultimate]]'', where all direct attacks deal around 0.6× their normal damage. 

[[Giga Bowser]] (from ''Brawl'' and ''3DS / Wii U'') and [[List of fighters debuting in Super Smash Bros. for Nintendo 3DS / Wii U#Little Mac|Giga Mac]] (from ''3DS / Wii U'') are unaffected by Poison Mushrooms.
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===''Mario & Luigi'' series===
====''Mario & Luigi: Superstar Saga'' / ''Mario & Luigi: Superstar Saga + Bowser's Minions''====
[[File:MLSS Invincishroom Sprite.png|frame]]
In ''[[Mario & Luigi: Superstar Saga]]'', one of the things [[Trunkle]] can inhale is a Poison Mushroom. They are colored green with red spots, and poisons a brother if touched. [[Popple]] also sometimes throws them from his bag; these Poison Mushrooms cause more severe damage when touched. When the brothers travel to [[Little Fungitown]], Mario eats an [[Invincishroom]], claimed to be a mix of a [[Super Star|Starman]] and a [[1-Up Mushroom]]. However, Mario, being an outsider, is not immune to the dubious concoction and [[Bean Fever|falls gravely ill]].

[[File:MLSSBMPoisonMushroom.png|frame]]
In the [[Nintendo 3DS|3DS]] remake, ''[[Mario & Luigi: Superstar Saga + Bowser's Minions]]'', the "Invincishroom" (now referred to as an [[Invincibility Mushroom]]) that Mario ate and got sick from was revealed to really be a misidentified Poison Mushroom that [[Captain Goomba (Mario & Luigi series)|Captain Goomba]] and [[Captain Shy Guy|his]] [[Captain Boo|squad]] found. Poison Mushrooms themselves retain their ''Super Mario 3D Land'' appearance in the remake.

====''Mario & Luigi: Partners in Time''====
{{see also|Shroob mushroom}}
[[File:Shrooboidpoisonshroom.png|left|frame]]
[[File:MLPIT Gray Poison Mushroom.png|frame]]
In ''[[Mario & Luigi: Partners in Time]]'', a gray-colored Poison Mushroom can be an item used by the two [[Dr. Shroob]]s and also [[Swiggler]] in the battle against him. The [[Shroob]]s also resemble Poison Mushrooms. In addition, one of [[Shrooboid Brat]]'s attacks involves spitting either Mushrooms or Poison Mushrooms at Mario and Luigi, though they are launched as the opposite of what he is given (if he is given a Mushroom, it is spit out as a Poison Mushroom, and vice versa). Like in the previous game, getting hit by a Poison Mushroom inflicts the brothers with the [[poison (status effect)|poison]] status effect.

====''Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey''====
Poison Mushrooms also appear in ''[[Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey]]'' where they replace [[Cheep Cheep]]s in one of [[Junker]]'s attacks.

===''Paper Mario'' series===
====''Paper Mario: The Thousand-Year Door''====
{{PM item infobox
|title=Poison Shroom
|image=[[File:Poison Shroom TTYD.png]] [[File:Poison Shroom SPM.png]]
|ttyd=A snack made by Zess T. Eat it and it'll poison you!
|spm=A dangerous poison shroom. Highly toxic!
}}
[[File:Tainted Mushroom.png|thumb|left|A Poison Mushroom in Bingo!]]
Poison Mushrooms, appearing as dull green mushrooms with pink spots, appear in the [[Paper Mario (series)|''Paper Mario'' series]] starting with ''[[Paper Mario: The Thousand-Year Door]]''. Poison Mushrooms are one of the pictures that the player can earn during a [[Bingo!]], where they are drawn with faces. If three in a row appear, Mario's [[Heart Point|HP]] (as well as his [[partner#Paper Mario: The Thousand-Year Door partners|partner]]'s HP), [[Flower Point|FP]] and [[Star Power|SP]] will all be cut in half and all of the [[audience]] members will leave.

Poison Mushrooms, shortened to Poison Shrooms in the GameCube release, also appear as items later in the game. They can be created by [[Zess T.]] by mixing a [[Slow Shroom]] and [[Inky Sauce]], [[Point Swap]] or [[Trial Stew]] and a [[Dried Bouquet]]. If Mario or his partner eats this mushroom, the user will lose half their HP and be afflicted with the [[poison (status effect)|poison]] status. In battle, there is a small chance that when eaten, the Poison Shroom will not poison its user, but will restore all [[Heart Point|HP]] instead. There is a common misconception that the [[Feeling Fine]] badge(s) are required for this to happen,{{ref needed}} but it is simply a random occurrence.
{{br|left}}

====''Super Paper Mario''====
In ''[[Super Paper Mario]]'', Poison Shrooms are a much more common occurrence than in its predecessor, occasionally being dropped by [[Zombie Shroom]]s, [[Cursya]]s, and their relatives. However, they do not damage the player for half of their HP; instead they gradually do damage 1 HP at a time until the [[poison (status effect)|poison]] is cured. They are used slightly more in recipes; for example, a single Poison Shroom can produce a [[Dangerous Delight]]. In addition, any recipe that requires a Poison Shroom can be cooked using a [[Ghost Shroom]] instead, if Poison Shrooms are in short supply (Ghost Shrooms can be bought from various shops, or obtained via [[Merlee]]'s charms).
=====Recipes=====
{|class="wikitable"style="text-align:center;width:100%;margin:0 auto"
|-
!width="50%"|Recipe
!width="25%"|Result of Cooked Item
!width="25%"|Game that Recipe is in
|-
|[[Inky Sauce]] + [[Slow Shroom]]
|rowspan=2|Poison Shroom
|rowspan=5|''[[Paper Mario: The Thousand-Year Door]]''
|-
|[[Point Swap]] + Slow Shroom
|-
|Poison Shroom + Point Swap
|Mushroom (International)<br>Ultra Shroom (Japan)
|-
|Poison Shroom + [[Turtley Leaf]]
|[[Shroom Broth]] (International)<br>[[Mistake]] (Japan)
|-
|Poison Shroom + [[Golden Leaf]]
|Shroom Broth
|-
|Poison Shroom + [[Couple's Cake]]
|[[Trial Stew]]
|''[[Paper Mario: The Thousand-Year Door]]'' and ''[[Super Paper Mario]]
|-
|Poison Shroom
| rowspan=2 |[[Dangerous Delight]]
|rowspan=4|''[[Super Paper Mario]]''
|-
|Poison Shroom + [[Shroom Shake]]
|-
|Poison Shroom + [[Fried Shroom Plate]]
|[[Odd Dinner]]
|-
|Poison Shroom + [[Mild Cocoa Bean]]
|[[Standard Chocolate]]
|}

====''Paper Mario: Sticker Star''====
[[File:PoisonMushroomPMSS.png|left|thumb]]
[[File:PMSS-Poison Mushroom Quote.png|thumb|200px|[[Kersti]] observing how Poison Mushrooms look "a little evil" compared to regular mushrooms.]]
In ''[[Paper Mario: Sticker Star]]'', the Poison Mushroom returns as a [[Sticker]], having the same appearance as in ''Super Mario 3D Land''. It poisons Mario upon usage; however, the effect will also transmit to enemies that attack him in close combat while it is active. Another one of its effects is that it prevents Mario from wearing defense or evasion stickers such as Tails, Super Boots, and Frog Suits and their Shiny versions. The status can be removed if another status is inflicted on Mario or the enemy, including positive effects like the Power-up status. Poison Mushrooms also appear on the Battle Spin, and if three of them are lined up, a different tune will play and Mario will be poisoned, removing any positive status. However, he still gets three Sticker slots.

The sticker has the same Action Command as a Mushroom, but performing it is actually harmful to Mario, causing him to take additional damage as well as poison.

One is also used as a 'key' to open the door in [[Drybake Desert]] to enter the desert. Putting one inside of a Paperization Block will yield a Mushroom, Shiny Mushroom, a Flashy Mushroom, or three Shiny Leaves. It can be purchased at [[Whammino Mountain]] for 2 coins, or found in [[? Block]]s in [[Goomba Fortress]] and [[Rustle Burrow]]. Also, a Toad in a back alley of [[Decalburg]] will sell the player a heavily overpriced Poison Mushroom (only once [[Hither Thither Hill]] is unlocked), but the player can negotiate to get the price down to 25 coins. It can be placed in the [[Sticker Museum]] as #84.

===''Itadaki Street DS''===
In ''[[Itadaki Street DS]]'', Poison Mushrooms appear in the [[Amida Dokan]] minigame. If Mario collects it, the player's shops close for one turn.

===''Mario Clock''===
[[File:Poison clock.png|frame]]
Poison Mushrooms are the only obstacles in the [[DSiWare]] game ''[[Mario Clock]]''. However, they will only appear while the player character is in [[Super Mario (form)|Super]] form, so they cannot cause Mario or Luigi to lose a life.
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===''Puzzle & Dragons: Super Mario Bros. Edition''===
[[File:P&DSMBE OrbPurple.png|left|thumb|80px]]
Poison Mushrooms make an appearance in ''[[Puzzle & Dragons: Super Mario Bros. Edition]]'', as Dark Orbs, one of the five elemental orbs used in the game's puzzle board. Their design in this game is a hybrid of their appearances in ''Super Mario 3D Land'' and the ''Super Mario All-Stars'' remake of ''Super Mario Bros.: The Lost Levels''.
[[File:PDSMBE-PoisonMushroom.png|frame]]
They're also used as transformation items for [[Magikoopa]]s, pairing them with a Dark-element Magikoopa, and for transforming enemies into their skeletal versions.
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===Other appearances and references===
The Poison Mushroom makes a cameo appearance in the [[Wii U]] version of ''{{wp|Tekken Tag Tournament 2}}'' as part of its exclusive content.

==Profiles and statistics==
===''Super Mario Bros.: The Lost Levels''===
*'''Japanese instruction booklet:''' 食べるとミスになる。1UPキノコと間違わないように。<ref>{{cite|url=www.nintendo.co.jp/software/smb2/material/pdf/smb2_manual.pdf|title=「スーパーマリオブラザーズ2 取扱説明書」 (''Super Mario Bros. 2 Toriatsukai Setsumeisho'')|format=PDF}}</ref> (''Eating them would be a mistake. Do not mistake them for 1Up Mushrooms.'')

===''Super Smash Bros.'' series===
====''Super Smash Bros. Melee''====
{{SSBM trophy
|name=Poison Mushroom
|image=[[File:Trophy106.png|100px]]
|game=''Super Mario All-Stars''{{footnote|main|1}}<br>08/93
|unlock=Randomly obtainable from 1-player modes or the [[smashwiki:Lottery|Lottery]] after playing 200 [[smashwiki:VS|VS]] matches
|desc=Poison Mushrooms made their debut in Super Mario All-Stars, where they'd cost characters a life if picked up. These nasty fungi are dark and foul-tasting, and in Super Smash Bros. Melee, they make you shrink on contact. With your diminished stature comes a loss of power and mass, making you a prime target to get smashed offscreen with even a light attack.
}}
{{footnote|note|1|Poison Mushrooms debuted in ''Super Mario Bros.: The Lost Levels'', but its inclusion in ''Super Mario All-Stars'' was the first time that the game was released in any other region. In addition, they only cost characters a life if they were small; this implies that they do no matter what the circumstances are.}}

====''Super Smash Bros. Brawl''====
{{SSBB trophy
|name=Poison Mushroom
|image=[[File:BrawlTrophy493.png|100px]]
|appears_in='''NES''' ''Super Mario Bros.: The Lost Levels''
|unlock=Random
|desc=A penalty item that shrinks whoever grabs it. It's hard to distinguish from a Super Mushroom, so you may find yourself getting small when you wanted to get big. When you're in miniature form, your attack power drops, and even the lightest attack can send you off the stage. That being said, a small target's hard to hit. Your best plan when you're tiny may be to run.
|desc2=A penalty item that shrinks whoever grabs it. It's hard to distinguish from a Super Mushroom, so you may find yourself getting small when you wanted to get big. When you're in miniature form, your attack power drops, and even the lightest attack can send you off the stage. That being said, a small target is hard to hit. Your best plan when you're tiny may be to run.
}}

====''Super Smash Bros. for Nintendo 3DS / Wii U''====
{{SSB4 trophy
|name=Poison Mushroom
|image='''3DS:'''<br>[[File:SSB4 Trophy Poison Mushroom.png|100px]]<br>'''Wii U:'''<br>[[File:SSB4TrophyPoisonMushroom.png|100px]]
|category=Item
|appears_in='''SNES''' ''Super Mario Bros.: The Lost Levels'' (08/1993)<br>'''3DS''' ''Super Mario 3D Land'' (11/2011)
|trophy_box=9: Super Mario Bros. 2 & 3
|unlock=([[File:3DS Logo.svg|32px]]) Random<br>([[File:Wii U Logo.svg|32px]]) Clear the [[smashwiki:Fire-Type Frenzy|Fire-Type Frenzy]] event.
|desc=Becoming giant and looming over your foes is pretty great, yeah? Well, that won't happen if you get this mushroom. It looks a lot like the Super Mushroom, but it's a slightly different color and its face is... unhappy. If you use this mushroom, you'll shrink down and be easy to send flying.
|desc2=So, you thought you'd nabbed a Super Mushroom, eh? Nope! Now you're tiny! If you'd looked more closely, you'd have seen it was a slightly different colour - it was a Poison Mushroom. Now you're mini, weak and very launchable. At least dodging's not hard when you're this size!
}}

===''Paper Mario: Sticker Star''===
*'''Item description:''' ''Scary and poisonous, even to you.''
*'''[[Sticker Museum]] plaque:''' ''Oh no! An item that poison you! But hang on... What if you touch an enemy while poisoned...''

===''Mario Party: The Top 100''===
'''Poison Mushroom:'''

''Lowers a rival's roll by 2. Practice saying, "You wouldn't do that to me..." now.''

===''Luigi's Mansion'' (Nintendo 3DS)===
*'''Digital manual description:''' "''Make Luigi small and unable to use the Poltergust 3000 for a certain period of time.''"

==Gallery==
{{main-gallery}}
<gallery>
SMBLL Poison Mushroom cave.png|''[[Super Mario Bros.: The Lost Levels]]''
DKGB Mushroom.png|''[[Donkey Kong (Game Boy)|Donkey Kong]]'' ([[Game Boy]])
BadMushroomSMRPG.png|''[[Super Mario RPG: Legend of the Seven Stars]]''
SMA4 poison mushroom.png|''[[Super Mario Advance 4: Super Mario Bros. 3]]''
PDSMBE-PoisonMushroom.png|''[[Puzzle & Dragons: Super Mario Bros. Edition]]''
</gallery>

==Names in other languages==
{{foreign names
|Jap={{ruby|毒|どく}}キノコ
|JapR=Doku Kinoko
|JapM=Poison Mushroom
|Jap2=のろいキノコ <small>(''Mario Party 3'', ''Mario Party 5'', ''Mario Party 6'' and ''Mario Party 7'')</small>
|Jap2R=Noroi Kinoko
|Jap2M=Cursed Mushroom
|Chi=毒蘑菇
|ChiR=Dú Mógu
|ChiM=Poison Mushroom
|Dut=Giftige Paddenstoel
|DutM=Poisonous Mushroom
|Fre=Champi Borgia
|FreM=Borgia Mushroom (the name is inspired by the [[wikipedia:House of Borgia|Borgia family]])
|Fre2=Champi Poison
|Fre2M=Poison Mushroom
|Fre3=Champignon poison<ref>{{cite|quote=amiibo de Mario : après avoir activé cet amiibo, tous les champignons poison du manoir deviennent des super champignons, qui redonnent 25 cœurs chacun.|url=www.nintendo.fr/Jeux/Jeux-Nintendo-3DS/Luigi-s-Mansion-1348382.html#amiibo|title=Luigi's Mansion &#x7c; Jeux Nintendo 3DS|publisher=Nintendo.fr|accessdate=March 23, 2024}}</ref>
|Fre3M=Poison mushroom
|Ger=Giftpilz
|GerM=Poison Mushroom
|Ita=Fungo avvelenato
|ItaM=Poisoned Mushroom
|Ita2=Fungo velenoso<ref>{{cite|title=''Super Mario All-Stars'' Italian instruction booklet|page=9}}</ref><ref>''[[Super Mario RPG (Nintendo Switch)|Super Mario RPG]]'', item list</ref>
|Ita2M=Poisonous mushroom
|Ita3=Fungo Velenoso <small>(''Mario Party 5'', ''Mario Party 6'' and ''Mario Party 7'')</small>
|Ita3M=Poisonous Mushroom
|Ita4=Sfungo <small>(Italian demo of ''Paper Mario: The Thousand-Year Door'')</small>
|Ita4M=From ''fungo'' ("mushroom") and the letter "s"
|Ita5=Fungo tossico <small>(''Paper Mario: The Thousand-Year Door'' and ''Super Paper Mario'')</small>
|Ita5M=Toxic Mushroom
|Kor=독버섯
|KorR=Dok Beoseot
|KorM=Poisonous Mushroom
|PorE=Cogumelo Venenoso
|PorEM=Poisonous Mushroom
|Rus=Ядовитый гриб
|RusR=Yadovityy grib
|RusM=Poisonous Mushroom
|SpaA=Champiñón venenoso
|SpaEM=Poisonous Mushroom
|SpaE=Seta venenosa
|SpaAM=Poisonous Mushroom
}}

==Trivia==
*In the Super Mario Mash-up in ''[[Minecraft]]'', Wither Roses are replaced by Poison Mushrooms.
*In ''[[Captain Toad: Treasure Tracker (Nintendo Switch / Nintendo 3DS)|Captain Toad: Treasure Tracker]]''{{'}}s [[Nintendo Switch]] version, the [[Small Mario|Small]] form of Purple [[Captain Toad]] has a cap coloration very similar to that of a Poison Mushroom, being purple with pink spots.
*In ''[[Mario Party DS]]'', the team name for [[Toad]] and [[Wario]], "Poison Mushrooms", is a reference to the Poison Mushroom.

==See also==
*[[Mega Mushroom]] 
*[[Mini Mushroom]]
*[[Zombie Shroom]]
*[[Ghoul Shroom]]
*[[Rotten Mushroom]]

==References==
<references/>

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