what are the most endangered plants located
4. Wiggin's Acalypha. Acalypha wigginsii is native to a tiny part of the Galapagos Islands. Construction work and loss of habitat are the main reasons these plants have declined in number. They are considered aCritically Endangered by the Galapagos Conservation Trust.izania texana only has 140 clumps left, with a seemingly grim future ahead. Growing only in the freshwater of San Marcos River, this plant is endangered by lowering water levels caused by the Spring Lake Dam, according to the Center of Plant Conservation.