Isoetes bolanderi
 Isoetes bolanderi is a species of quillwort a type of lycopod. Its common name is Bolander's quillwort. This is a primitive aquatic plant native to western North America which grows almost entirely underwater in lakes and other water bodies. It grows from a corm-like stem which remains buried in the mud producing pointed cylindrical leaves approaching 20 centimeters in maximum length. It reproduces via spherical sporangia.