I just got some, along with some Najas grass, and it hasn't had a chance to grow enough to divide yet or I'd offer to send you some.
I think eventually I'll have enough, but it will probably be months.
My one piece of advice? Even if you get it from someone you know, please quarantine or sanitize or you could end up with snails! I made that mistake and I've already found a tiny baby snail (pond or ramshorn) and I didn't want any snails other than the two Nerites I've already got so now I'll have to think about an Assassin snail (after relocating the Nerites, of course). Sigh.
Of course the person with none to spare is the one most eager to help me out, lol! Who knows, maybe ill still be looking then!
ALSO I'm now looking for fissidens fontanus and/or riccia fluitans too.
Ok, the fissidens fontanus is also on my list of "must haves", so if you find some LET ME KNOW! And I actually saw my first riccia today at my LFS and it was really cool looking. Maybe in the next tank.