M. taiwanensis

M. taiwanensis may refer to:
 * Maackia taiwanensis, a legume species found only in Taiwan
 * Macrothele taiwanensis, a mygalomorph spider species in the genus Macrothele
 * Methanocalculus taiwanensis, an Archaea species in the genus Methanocalculus
 * Myotis taiwanensis, a bat species