sand quillwort References sand quillwort plant Ask Anything Homework Help Also known as: Isoetes histrix Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of EncyclopΓ¦dia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: quillwort/ Major speciesSand quillwort (I. histrix), an inconspicuous terrestrial European species, has very narrow 5β7-cm (2β3-inch-) long leaves that curl back to the ground from a fat white tufted base. Read MoreSand quillwort (I. histrix), an inconspicuous terrestrial European species, has very narrow 5β7-cm (2β3-inch-) long leaves that curl back to the ground from a fat white tufted base. Read More