Life … Animals Chordates Sea Squirts Phlebobranchia Ascidiidae Ascidia genus Ascidia Ascidia Field notes Children Ascidia mentula Ascidia paratropa Ascidia virginea Ascidia columbiana Ascidia vermiformis Ascidia callosa Green Tube Tunicate Ascidia gemmata Tunicate Ascidia ceratodes native Ascidia interrupta Ascidia curvata Ascidian Most observed native ascidia All Native to the US, by observations. Ascidia ceratodes 15 observations Close