189 
Rubus ostryifolius Rydb., highbush blackberry [M: R. large (the 
distinctions between this taxon, R. argutus, an 
pensilvanicus have not been studied critically ot ‘there 
is some confusion concerning goa 5 5 aaa of this 
name; see Davis et al., 1969b), p 
R. nena Poiret, highbush Laaocongey p. Fh 
f. albinus E. J. Palmer & Steyerm 
f. scat 
R. strigosus Michaux, red raspberry [S: R. idaeus L. var. strigosus 
(Michaux) Maxim.; G: R. idaeus ssp. sachalinensis (A. 
Léveillé) Focke var. sachalinensis] (Bailey, 1945; Voss, 
1985b) (the relationship between this taxon and the 
European plants known as R. idaeus requires further 
study), p. 835 
f. strigosus 
R. trivialis Michaux, southern dewberry, p. 837 
SPIRAEA, spiraea 
isi alba Duroi, meadowsweet p. 794 
alba 
4S. Saati a p. 795 
var. douglas 
4S. prunifolia Siebold & Zucc., bridal wreath, p. 794 
f. prunifolia [S: S. prunifolia var. plena Schneider] (Nakai, 
1915) 
Ss. pe aie L., hardhack, steeple bush et incl. var. rosea (Raf.) 
Fern.] (Robertson, 1974), p 
*#S. x vanhouttei (Briot) Zabel, see Binly Aus 
WALDSTEINIA 
Waldsteinia fragarioides (Michaux) Tratt., barren strawberry, 
824 
p. 
Ssp. fragarioides 
S: Steyermark G: Great Plains Flora M: Mohlenbrock 
