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The Bee Mushroom is a yellow mushroom with brown stripes on the cap which acts as a power-up in Super Mario Galaxy and its sequel, Super Mario Galaxy 2. The mushroom is first found in the Honeyhive Galaxy after collecting a ? Coin. It is also found in Super Mario Galaxy 2 in a few other galaxies. Once Mario or Luigi collect the Power-up they will become Bee Mario or Bee Luigi and will then be able to fly for a limited time, climb honeycomb walls and cling to the Queen Bee. Bee Mario is also uniquely capable of standing on flowers and clouds. By collecting a coin, Bee Mario and Bee Luigi can fly a little longer. If Mario or Luigi touch water when they have on their Bee Suit, they will go back to their normal form. It also appears in the Honeyclimb Galaxy, Gold Leaf Galaxy, Sea Slide Galaxy and Sand Spiral Galaxy. In Super Mario Galaxy 2, it appears in the Honeybloom Galaxy and the Honeyhop Galaxy. Also, once Mario or Luigi gets 120 Power Stars, a Bee Mushroom will appear in the Tall Trunk Galaxy in the ending credits.
Super Mario Galaxy
The Bee Mushroom makes its debut and introduces the player to the mechanics of the mushroom in the fist mission, Bee Mario Takes Flight. It also appears in the third mission, Big Bad Bugaboom, where it is used to help the player's fight against Bugaboom.
The Bee Mushroom appears again in this galaxy's only mission, Scaling the Sticky Wall, which makes the player climb a series of honeycomb walls.
Gold Leaf Galaxy
In Star Bunnies on the Hunt, the Bee Mushroom is used to retrieve some blue Star Chips for some Star Bunnies. It returns in the second mission, in which it is used to get extra height from a Cataquack's hurl and obtain the Power Star. It appears for a third time in When It Rains, It Pours, and it can be used to help fight the boss.
Sea Slide Galaxy
In this galaxy, the Bee Mushroom is first used in the third mission, and it has a minor role in getting one or two of the Silver Stars. It reappears in Purple Coins by the Seaside, where it helps the player fly from cloud to cloud collecting Purple Coins.
Sand Spiral Galaxy
Super Mario Galaxy 2
The powerup returns for a final time in The Sweetest Silver Stars, and it plays huge help in acquiring the five Silver Stars. The Bee Mushroom is also needed to get both of this galaxy's Green Stars.
Mario + Rabbids Kingdom Battle