No, sorry the seagrass we carry are the only species we find viable in drift. Other species go into drift, but only the blades. Collecting planted seagrass is illegal so no go there unless we get lucky.
Mix is best, all mud would be ugly, and too thick. With that thickness, anoxic problems might come up. I will revisit the issue again in the morning, sunburnt to a crisp right now from the Keys and a bit dizzy. Tons of new macro though..neomeris mermaids wine glass etc... (The last part was mopre towards SeahorseBT)
