hi that one in the middle is a three in one pets@home special, it has camomba, elodea, and i think the other leafy one is baby tears but i could be wrong. the heavy thin leafed one is camomba, the other simular (looks like a feather duster) is elodea. I also bought this three some, but separated them, and in 2 weeks they have doubled their length...nearly filled the top of a 48L aquarium. good luck with yours x
the pne on the right of your tank looks like the water onion I have in mine...if you smell an oniony smell it probably is, and it grows really well, i have a lot of daytime light hours ( 12hrs min) and moonlight on otherwise. I lost my previous plants by turning lights off in the night, so the moon light bulb seems to be helping. Not sure if the other plant is a young amazon sword...also a p@h special. xx