249 
TIPULARIA 
*Tipularia discolor (Pursh) Nutt., cranefly orchid (Pelton, 
1989) 
TRIPHORA, nodding pogonia 
Triphora trianthophora (Sw.) Rydb., three bird orchid, 
nodding pogonia, p. 478 
POACEAE (GRAMINEAE), grass family 
AEGILOPS (see TRITICUM) 
AGROPYRON, wheat grass (see also ELYMUS) 
*Agropyron desertorum (Fischer ex Link) Schultes, standard 
wheatgrass (Miihlenbach, 1979) 
AGROSTIS, bent grass (see also APERA) 
Agrostis elliottiana Schultes, awned bent grass, p. 148 
+A. gigantea Roth, redtop [S, M: A. alba L.; G: A. stolonifera L. 
var. major (Gaudin) Farw.] (Philipson, 1937; Widen, 
1971), p. 
A. hyemalis (Walter) Britton, Sterns & Pogg.-, hair grass, tickle 
grass, winter bent grass, p- 148 
var. hyemalis 
A. perennans (Walter) Tuckerman, upland bent [M: A. clavata 
Trin.] (Bjorkman, 1960), p. 1 
var. aestivalis Vasey 
A al eer gop ag 
- Stolonifera L., creeping bent, P- 
var. palustris (Hudson) Farw. [S: A. alba; M: = alba vat. 
palustris (Hudson) Pers.] (Philipson, 1937) ‘4 
*A. tenuis Sibth., Rhode Island bent [M: A. capillaris 
(Philipson, 1937), p. 148 
; : brock 
S: Steyermark G: Great Plains Flora M: Mohlen 
