Utricularia gibba.Donald Cameron.New England Wild Flower Society.gobotany.newenglandwild.org. (Accessed 5/2014).

Utricularia gibba is a submersed aquatic herb; carnivorous; stems creeping, to 10 cm long, forming mats on bottom of shallow water-bodies. 

Leaves alternate, scattered, about 0.5 cm long, forked once with a few bladders that entrap small invertebrates. 

Flowers yellow, 0.6 cm, bilaterally symmetrical, corolla 2-lipped, with a thick, blunt spur-like appendage, on stalks 5-10 cm long; blooms June-Sept, rarely blooms in our region (Hough 1983). 

Fruit a capsule. 

Wetland status: OBL. 

Frequency in NYC: Very infrequent.

 Origin: Native. 

Habitat: Shallow, nutrient-poor water.