Looking for Fissidens fontinalis, Juncus repens, Bolbitis heudelotii, H. corymbosa 'angustifolia', and HP 'Ceylon'.
For trade I have any of the following...
Anubius nana - ~2" rhizome ~4-5 leaves
Eleocharis geniculata - emergent
as much as you need or want. Grows ~2" tall, coarser than E. acicularis in my high tech tank. Basically like the lowest blades here, they're partially submersed growth