Koanophyllon droserolepis, the Monte Torrecilla thoroughwort, is a species of flowering plant in the family Asteraceae. It is found only in Puerto Rico.Tropicos, Koanophyllon dolicholepis R.M. King & H. RobKing, Robert Merrill & Robinson, Harold Ernest 1975. Phytologia 32: 256Robinson, Benjamin Lincoln 1918. Proceedings of the American Academy of Arts and Sciences 54: 243 description in Latin, specimen information in English
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