Families (As per The Plant List)

 
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

M

MARATTIACEAE - 3 ( Angiopteris crassipes, Angiopteris helferiana, Marattia fraxinea)

MARSILEACEAE - 3 ( Marsilea aegyptiaca, Marsilea coromandelina, Marsilea minuta)