Table 1.

Hydrophyte growth‐forms according to Wiegleb (1991) and Wiegleb et al. (2015)

Growth‐form	Characteristics
Herbid	Submerged herbaceous plants anchored to sediments; they have usually a terrestrial counterpart
Myriophyllid	Anchored submerged plants with long stems and finely divided submerged leaves
Nymphaeid	Anchored plants with floating entire leaves attached to a submerged rhizome by an elongate petiole
Peplid	Anchored plants with elongated or spathulate leaves forming a terminal rosette adapted for emergence into the atmosphere
Pleustophyte	Plants free floating above the water surface
Potamid	Anchored plants with submerged entire leaves
Vallisnerid	Anchored plants with long, floating basal leaves