Hmm... I have not the slightest clue what plant it is. I believe the plant could pick itself back up and convert itself to submersed. If it does, then it is possible to ID.
Welcome to TPT by the way!
20 gallon - Sulawesi Golden rabbit snails/Japanese Trapdoor snails/RCS/Marbled crayfish tank
55 gallon - Rainbowfish Dutch scape low-tech planted tank
250 gallon - Community Tiger Oscar/Red hook silver dollar/Silver dollars/PB Jack Dempsey/Clown loaches/Tinfoil barb/Roseline sharks/Bala shark Monster fish tank