EXCLUDED TAXA 
ALISMATACEAE 
Alisma plantago-aquatica L. [S: A. plantago-aquatica var. plantago- 
aquatica] (according to Bjérkvist (1967, 1968), true A. 
plantago-aquatica does not occur in North America; 
€ specimen cited by S: as the basis for inclusion of 
this taxon in Missouri is actually A. wiviale Pursh [S: 
A. plantago-aquatica var. americanum Schultes & 
Schultes f.]), p. 58 
Sagittaria australis (J. G. Smith) Small (this species was reported 
as occurring in Missouri by Beal et al. (1982) without 
citation of locality or specimens; examination of the 
notes of the late Ernest Beal by one of his coauthors, 
Jean Wooten (University of Southern Mississippi, pers. 
comm.) disclosed no information in support of this 
report; although it appears likely that this taxon 
actually occurs in southeastern Missouri, it must be 
excluded for the present) 
ANACARDIACEAE 
radicans f. hypomalaca Fern.] (Gillis, 1971) (the type of 
this taxon is a putative hybrid plant, but the name was 
S: Steyermark G: Great Plains Flora M: Mohlenbrock 
