Aquatic plants

Truly aquatic plants live either under the water or on its surface. That is reasonably easy to determine in the field, but it may seem unreasonable to know where a plant was growing, when you are presented with a pressed, dried specimen in the laboratory. Many aquatic plants can be recognized by the lack of prominent support tissues that are needed in upright growth forms. These species may have limp and flexible stems and leaves that can be easily recognized with a little experience. Others, especially the small bottom-dwelling "rosette species" of clear water lakes, may be more difficult to discern, but a little experience can make this group easier also.

plants with floating leaves

submersed plants
 

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