Marattiidae

Class Marattiopsida giant ferns Vascular plants; mostly massive, fleshy ferns; leaves pinnately divided, pulvinate (enlarged or swollen at attachment point of leaflets) in extant genera, and with well-developed fleshy stipules (appendages at leaf base); sporangia eusporangiate, in sori, or more or less coalescent in synangia (clusters);…

Subclass Marattiidae Order Marattiales (giant ferns) Family Marattiaceae Leaves pinnately divided, pulvinate (enlarged or swollen at attachment point of leaflets) in living genera, and with well-developed, fleshy stipules (appendages at leaf base);