|Ruppia cirrhosa Spiral Tasselweed
Image: L. Rooney
And don't worry, the Horsetail videos haven't gone away, I've just moved the links up the page a bit - glance up above the date and you'll see the titles. I thought the Ruppia video could hog the limelight for a while.
*This may mean that Claudia Ferguson-Smyth is the Eisenstein of aquatics. Battleship Potamogeton? Follow the link above to watch Claudia's P. epihydrus video.