GENUS NAME:

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

Rabiea

3 types

Radermachera

3 types

Radicchio

1 type

Rafinesquia

1 type

Randia

2 types

Ranunculus

31 types

Ranzania

1 type

Raoulia

4 types

Raphionacme

1 type

Ratibida

5 types

Rauhia

1 type

Raukaua

1 type

Rebutia

17 types

Rehmannia

2 types

Reineckea

3 types

Remusatia

4 types

Reseda

1 type

Restio

3 types

Retama

1 type

Rhagodia

1 type

Rhamnus

21 types

Rhaphiolepis

12 types

Rhapis

2 types

Rheum

8 types

Rhexia

1 type

Rhipsalis

37 types

Rhodanthe

3 types

Rhodanthemum

3 types

Rhodiola

2 types

Rhodochiton

1 type

Rhodocoma

3 types

Rhododendron

1985 types

Rhodohypoxis

24 types

Rhodopentas

1 type

Rhodophiala

6 types

Rhodotypos

1 type

Rhubarb

2 types

Rhus

22 types

Rhynchospora

2 types

Ribes

142 types

Ricinus

6 types

Ridolfia

1 type

Rivina

1 type

Roas

1 type

Robinia

21 types

Rodgersia

21 types

Rohdea

20 types

Rojasianthe

1 type

Romanzoffia

1 type

Romneya

2 types

Romulea

10 types

Rondeletia

2 types

Rosa

440 types

Roscoea

19 types

Rose

1 type

Rosmarinus

37 types

Rosularia

4 types

Rotheca

2 types

Rothmannia

1 type

Rubia

1 type

Rubus

64 types

Rudbeckia

48 types

Ruellia

18 types

Rumex

7 types

Rumohra

2 types

Ruschia

13 types

Ruscus

11 types

Russelia

5 types

Ruta

5 types

Ruttya

1 type