Growing emersed aquarium plants week 5

Another update on growing emersed aquarium plants going on week 5. The green stuff in the vid is some kind of moss, I’ve tried spraying with potassium metabisulfite that will kill mold and fungus and it didn’t budge so it’s a plant like moss, otherwize it would have died. Funny thing is that the soil I used for the second batch of emerse aquarium plants is this is the only containers that has it. The others I used a different soil brand and there’s nothing like it in those, so be aware that choosing the