Good question, Bill!
IN CP's pics I don't see the whorls commonly found on Coontail. To me it appears to be Chara, which I understand to be an algae.
IIRC, one way to check to see if it's Chara is to pinch it and see if it puts off a foul smell.
Keith - Still Lovin Livin
https://youtu.be/o-R41Rfx0k0(a short video tribute to the PB members we met on our 5 week fishing adventure)
Formerly: 2ac LMB,HSB,BG,HBG,RES
