Thorea (Batrachospermales, Rhodophyta)
a new addition to the freshwater algal flora of the Philippines
Liao, L. M.Young, J. G.
Specimens of Thorea violacea Bory de St. Vincent (Rhodophyta, Batrachospermales) were collected from Matutinao River, southwestern Cebu, Philippines. The collection represents a new Philippine record and is the fourth genus of freshwater Rhodophyta recorded for the Philippine algal flora. Morphological analysis and a brief nomenclatural history of the species are presented. A comprehensive historical survey of Philippine freshwater phycology dating back from a century ago is also included.