183 
FILIPENDULA 
Filipendula rubra (Hill) Robinson, queen of the prairie, p. 831 
FRAGARIA, strawberry 
¢Fragaria x ananassa Duchesne, see named hybrids 
F. vesca L., woodland eta wild strawberry, p. 823 
var. americana Porter [M: F. americana (Porter) Britton] 
(Staudt’s (see Staudt, 1962) monograph of North 
American Fragaria was never published, thus no 
evidence exists presently for the recognition of the 
taxon americana as a species or subspecies; see also 
Robertson, 1974) 
F. virginiana Duchesne, wild strawberry [S: incl. var. illinoensis 
(Prince) A. Gray] (G: noted that the varieties of F. 
virginica are indistinguishable as presently defined; 
Robertson (1974) suggested that the situation requires 
further study), p 
GEUM, avens 
Geum canadense Jacq., white avens, red root [S: incl. 
camporum (Rydb.) Fern. & Weath.] Perteision, 1974), 
32 
G. laciniatom Murray, rough avens, p. 832 
ar. trichocarpum Fern. [G: G. laciniatum] (Robertson, 1974) 
G. vernum (Raf.) to & A. Gray, spring avens, early water 
avens, p. 8 
*G. virginianum L., he avens (Solecki, 1983) 
S: Steyermark G: Great Plains Flora M: Mohlenbrock 
