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

J

JUGLANDACEAE - 1 ( Juglans regia)

JUNCACEAE - 8 ( Juncus bufonius, Juncus effusus, Juncus inflexus, Juncus leschenaultii, Juncus maritimus, Juncus prismatocarpus, Luzula campestris, Luzula indica)