Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Microsorum pustulatum (kangaroo fern or hound's tongue) is a species of fern within the Polypodiaceae family. This species occurs widely in and also in , , and in . An example occurrence on , New Zealand is in the where it is associated with a number of other ferns including and . This location has been studied significantly including the process of . C. Michael Hogan has classified the undisturbed portions of the woodland area as a beech and forest with associate ferns being , , , , and , and some prominent associate shrubs being and .