Looks like chara to me, too.
Jacklegg, have you pulled any & smelled it? If smells strongly of sulfur/garlic, almost certainly chara. I have a variant in my BOW.
Only solace I can give you is that fish seem to like chara. If you have to have a plant, there are much worse things. I know grass carp eat it.
8 acre E Texas, full 3/16. CNBG, RES, FHM 10/15; TP 5/16; FLMB 6/16. 100 12 inch N LMB & 1k GSH 10/17. 150# TP & 70 HSB 5/18. 1k PK 11/18
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