Stoneworts of the northern Bothnian Bay

Stoneworts, or Charales in scientific terms, is an order of green algae that is commonly found in the northern Bothnian Bay. They may look like ordinary vascular plants with stems and branches but are in fact algae. They can be found in freshwater, such as lakes, ponds, and rivers, as well as in brackish waters … Continue reading Stoneworts of the northern Bothnian Bay

Water soldier, Stratiotes aloides

Water soldier, or water pineapple, is a weird relict species of aquatic plant in Finland and in Sweden. The English name is easy to understand from the appearance of the species. It looks like a pineapple, and its leaves are sharply serrated like soldiers’ swords. Photo by Manuel Deinhardt, Metsähallitus. It was left here in … Continue reading Water soldier, Stratiotes aloides