City of Ottawa, Britannia Conservation Area. Approx. 200m E of water purification plant property along the Ottawa River shore, at "Quillwort Beach".
Longitude (DD)
-75.782
Latitude (DD)
45.374
Habitat
Emergent and in still, shallow water of quiet river bay amongst sandstone cobble in fine, silty substrate with Juncus filiformis, Isoetes spp., Valisneria americana, Sagittaria graminea, Eleocharis acicularis. Both I. xrobusta (DFB20247) and I. septentrionalis (DFB20248) were collected here.