Kusamono or what?

Can this be considered as a Kusamono?
Xuan

Sure. Why not?

Probably in the strictest sense of formal bonsai display, I would tend to classify this as Sanyasou (山野草） which would be the primary piece in a display. Size, own moss rootball, and other factors would make it hard to be paired with a bonsai and the bonsai not standout as the primary display piece...

If it is presented as generally a Kusamono 草物　without the intent to display in a formal bonsai sense, then I think most lay Japanese would consider it a Kusamono.