150 
(Nuphar lutea, continued) 
ssp. advena (Sol.) Kartesz & Gandhi [S, G, M: N. lutea ssp. 
macrophyllum (Small) E. Beal] (Kartesz and Gandhi, 
1989 
Ssp. ozarkana (G. Miller & Standley) E. Beal 
NYMPHABA, water lily 
Nymphaea odorata Sol., fragrant water lily, white water lily [S: incl. 
Var. gigantea Tricker, var. odorata f. rubra Guillon, N. 
tuberosa Paine; G, M: incl. N, variegata] (the taxonomy 
of this complex requires further research; field studies 
have indicated that many, if not all, of the 
characteristics Previously thought to separate taxa are 
at least partially environmentally controlled; see 
Williams (1970) and Mitchell and Beal (1979) for 
discussion), p. 666 
NYSSACEAE, tupelo family [S: CORNACEAE] 
(Note that many authors continue to classify this group as part of 
the Cornaceae, including the leading students of the family; it is only 
use of our decision to follow Cronquist’s (1981) system of 
Classification that the Nyssaceae are here recognized; see Eyde (1988) 
or discussion.) 
NYSSA, tupelo, sour gum 
Nyssa ee tupelo, cotton gum, tupelo, tupelo gum, 
p. 
N. sylvatica sie black gum, sour gum, black tupelo, tupelo, 
Pp. 
var. — M: incl. var. caroliniana (Poiret) Fern.] (Eyde, 
S: Steyermark G: Great Plains Flora M: Mohlenbrock 
