10 



larly and abundantly in others. The flower color ranges from purple to 

 deep pink and rarely white (forma alba Hellquist). Range extends 

 from Newfoundland, and Nova Scotia, west to southern Ontario, 

 northern Indiana, Michigan, and Wisconsin, south along the Coastal 

 Plain to Florida, Louisiana, and Texas. 

 Rare and endangered plant list: Vermont 



alkalinity: mean 7.8 mg/1; range 2.5-33.0 mg/1 (39) 



ph: mean 6.6; range 5.6-7.3 (36) 



5. Utricularia minor L. Fig. 2, Map 5 



Widely scattered in acidic, alkaline, and slightly saline waters, 

 wet meadows, bogs, and shores throughout New England. This spe- 

 cies is rarely found in flower, but is easily identified by its flattened 

 stems. Range extends from Greenland, Labrador, and Newfoundland 

 west to British Columbia, south to Nova Scotia, New England, Long 

 Island, New York, northern New Jersey, Pennsylvania, northern 

 Ohio, northern Indiana, northern Illinois, northwestern Iowa, 

 Nebraska, Colorado, and California. 

 Rare and endangered plant list: Vermont 



alkalinity: mean 9.6 mg/1; range 3.0-33.5 mg/1 (7) 



pH: mean 6.9; range 6.0-8.1 (7)a 



6. Utricularia geminiscapa Benj. Fig. 4, Map 6 



Widely scattered in bog waters, acidic or moderately alkaline 

 waters throughout New England. This species may be mistaken for a 

 diminutive Utricularia vulgaris, thus flowering specimens are needed 

 for accurate identification. Range extends from Newfoundland and 

 New Brunswick west to Michigan and Wisconsin, south to New En- 

 gland, New York, eastern Pennsylvania, Delaware, and eastern 

 Virginia. 

 Rare and endangered plant list: Vermont 



alkalinity: mean 24.6 mg/1; range 5.4-69.5 mg/1 (5) 



pH: mean 6.7; range 3.5-8.6 (5) 



7. Utricularia vulgaris L. Fig. 4, Map 7 



Common and abundant throughout New England in acidic and 

 alkaline waters. This is the most robust and common bladderwort in 

 New England. Some stems range up to one meter in length. Range 

 extends from southern Labrador west to Alaska, south to Virginia, 

 North Carolina, Ohio, Indiana, Missouri, Oklahoma, and northern 

 Texas; California and Mexico. 



alkalinity: mean 18.6 mg/1; range 2.5-109.0 njg/1 (75) 



pH: mean 6.7; range 5.7-8.6 (70) 



