RUBIACEAE, madder family 
CEPHALANTHUS, buttonbush 
Cephalanthus occidentalis L., buttonbush, globe flower, honeyball, 
pond dogwood [S, M: incl. var. pubescens Raf.] (Wells 
and Sharp, 1966; Rogers, 1987), p. 1398 
DIODIA, buttonweed 
Diodia teres Walter, rough buttonweed, p. 1396 
D. virginiana L., large buttonweed, p. 1396 
f. hirsuta (Pursh) Fern. 
f. virginiana 
GALIUM, bedstraw 
Galium aparine L., Cleavers, goose grass, catchweed bedstraw 
(note that Moore (1975) suggested the possibility that 
the morphologically similar G. Spurium L. might occur 
in Missouri, but this has not been verified), p. 1389 
f. aparine 
G. arkansanum A. Gray, p. 1392 
G. boreale L., northern bedstraw, p. 1392 
Ssp. septentrionale (Roemer & Schultes) Hara [S: incl. var. 
hyssopifolium (Hoffm.) DC.] (Hara, 1956; Iltis, 1957; 
Urban and Iitis, 1957) 
G. circaezans Michaux, wild licorice, woods bedstraw, p. 1390 
var. circaezans 
var. hypomalacum Fern. [M: G. circaezans] (Lawson, 1973) 
G. concinnum Torrey & A. Gray, shining bedstraw, p. 1395 
*¢G. divaricatum Pourret ex Lam. (Castaner, 1982a, 1983b) 
G. obtusum Bigelow, bluntleaf bedstraw, wild madder, p. 1394 
Ssp. obtusum 
*+G. pedemontanum (Bellardi) All. (Sanders, 1976) 
G. pilosum Aiton, hairy bedstraw, p- 1390 
var. pilosum 
var. puncticulosum (Michaux) Torrey & A. Gray 
S: Steyermark G: Great Plains Flora M: Mohlenbrock 
