Aquatic plants threatening color of Blue Heart Springs
March 9, 2021
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HAGERMAN, Idaho (AP) Two types of aquatic plants have been growing at the bottom of Blue Heart Springs in Idaho, threatening the tourist destination s blue waters by obscuring the sand below and turning the water green, environmental officials said.
The Idaho State Department of Agriculture, which oversees invasive species, took plant samples from the springs last month and determined two types of watermilfoil were growing one native species and another non-native species, The Times-News reported.
Noxious Weeds Program Manager Jeremey Varley said the agency must now wait until summer when the plants are alive and growing to determine which of the two types of watermilfoil is most harmful.