Ring of Fire
A variant of Rhodactis Mushroom (Rhodactis inchoata)

Photo: (c) Pauline Walsh Jacobson, some rights reserved (CC BY) · CC BY
Representative Rhodactis Mushroom image. A confirmed image of this exact morph isn't available yet.
A Rhodactis whose brightest orange-red sits around the outer part of the disc, forming a glowing ring around a darker green centre.
Other Mushroom Corals variants
Tonga Blue EyeBullseye / WatermelonWWC OG Bounce MushroomWWC Sunkist Bounce MushroomWWC King Julius Bounce MushroomWWC Biohazard Bounce MushroomJF Raunchy Red Bounce MushroomJF Orange Swirl MushroomJF Mayhem MushroomJF Minecraft MushroomTSA Mardi Gras Bounce MushroomTSA Bozos Revenge Bounce MushroomPowerball Bounce MushroomCA Orange Crush Bounce MushroomCornbred Forest Fire Orange Bounce MushroomFrankenstein Bounce MushroomNeptune Bounce MushroomLava Bounce MushroomMellow Yellow Bounce MushroomBrass Monkey Bounce MushroomSuperman Bounce MushroomRed Bullseye Rhodactis MushroomGreen Bullseye Rhodactis MushroomPurple Camo Bullseye Rhodactis MushroomGodzilla Bounce MushroomSt. Thomas MushroomTequila SunriseMaui WowieWagon Wheel MushroomPincushion MushroomMagic CarpetLavender Hairy MushroomElephant Ear Mushroom