| 1 | 
|   | Species 
alaskanus
(Scribn. & Merr.) A. L�ve |  |  | 
|  | 
| 2 | 
|   | Subspecies 
alaskanus common name: 
Alaskan wheatgrass
 |  |  |  
| 3 | 
|   | Subspecies 
hyperarcticus
(Polunin) A.& D. L�ve syn. Elymus hyperarcticus
 |  |  |  
| 4 | 
|   | Subspecies 
latiglumis
(Scribn. & J.G. Sm.) A. L�ve common name: 
Alaskan wheatgrass
 |  |  |  | 
| 5 | 
|   | Species 
albicans
(Scribn. & J.G. Sm.) A. L�ve |  |  | 
|  | 
| 6 | 
|   | Varietas 
griffithii
(Scribn. & J.G. Sm. ex Piper) Dorn syn. Elymus albicans
 |  |  |  | 
| 7 | 
|   | Species 
ambiguus
Vasey & Scribn. |  |  | 
|  | 
| 8 | 
|   | Varietas 
salinus
(M.E. Jones) C.L. Hitchc. syn. Leymus salinus ssp. salinus
 |  |  |  
| 9 | 
|   | Varietas 
salmonis
C.L. Hitchc. syn. Leymus salinus ssp. salmonis
 |  |  |  
| 10 | 
|   | Varietas 
strigosus
(Rydb.) A.S. Hitchc. syn. Leymus salinus ssp. salinus
 |  |  |  | 
| 11 | 
|   | Species 
angustus
Trin. syn. Leymus angustus
 |  |  | 
| 12 | 
|   | Species 
arenarius
L. |  |  | 
|  | 
| 13 | 
|   | Varietas 
giganteus
(Vahl) Schmalh. syn. Leymus racemosus
 |  |  |  
| 14 | 
|   | Subspecies 
mollis
(Trin.) Hult�n syn. Leymus mollis ssp. mollis
 |  |  |  
| 15 | 
|   | Varietas 
scabrinervis
(Bowden) Boivin syn. Leymus mollis ssp. mollis
 |  |  |  
| 16 | 
|   | Varietas 
simulans
(Bowden) Boivin syn. Elymus �maltei
 |  |  |  
| 17 | 
|   | Subspecies 
villosissimus
(Scribn.) Hult�n syn. Leymus mollis ssp. villosissimus
 |  |  |  
| 18 | 
|   | Varietas 
villosissimus
(Scribn.) Polunin syn. Leymus mollis ssp. villosissimus
 |  |  |  
| 19 | 
|   | Varietas 
villosus
E. Mey. syn. Leymus mollis ssp. mollis
 |  |  |  | 
| 20 | 
|   | Species 
arenicola
Scribn. & J.G. Sm. syn. Leymus flavescens
 |  |  | 
| 21 | 
|   | Species 
aristatus
Merr. syn. �Elyleymus aristatus
 |  |  | 
| 22 | 
|   | Species 
arizonicus
(Scribn. & J.G. Sm.) Gould common name: 
Arizona wheatgrass
 |  |  | 
| 23 | 
|   | Species 
arkansanus
Scribn. & Ball syn. Elymus villosus
 |  |  | 
| 24 | 
|   | Species 
australis
Scribn. & Ball syn. Elymus virginicus var. virginicus
 |  |  | 
| 25 | 
|   | Species 
bakeri
(E. Nels.) A. L�ve common name: 
Baker's wheatgrass
 |  |  | 
| 26 | 
|   | Species 
brachystachys
Scribn. & Ball syn. Elymus canadensis
 |  |  | 
| 27 | 
|   | Species 
brownii
Scribn. & J.G. Sm. syn. Leymus innovatus
 |  |  | 
| 28 | 
|   | Species 
calderi
Barkworth common name: 
Yukon wheatgrass
 |  |  | 
| 29 | 
|   | Species 
californicus
(Boland. ex Thurb.) Gould common name: 
California bottlebrush grass
 |  |  | 
| 30 | 
|   | Species 
canadensis
L. common name: 
Canada wild rye
 |   |  | 
|  | 
| 31 | 
|   | Varietas 
brachystachys
(Scribn. & Ball) Farw. syn. Elymus canadensis
 |  |  |  
| 32 | 
|   | Varietas 
hirsutus
(Farw.) Dorn syn. Elymus canadensis
 |  |  |  
| 33 | 
|   | Varietas 
interruptus
(Buckl.) Church syn. Elymus interruptus
 |  |  |  
| 34 | 
|   | Varietas 
riparius
(Wieg.) Boivin syn. Elymus riparius
 |  |  |  
| 35 | 
|   | Varietas 
robustus
(Scribn. & J.G. Sm.) Mackenzie & Bush syn. Elymus canadensis
 |  |  |  
| 36 | 
|   | Varietas 
villosus
(Muhl. ex Willd.) Shinners syn. Elymus villosus
 |  |  |  
| 37 | 
|   | Subspecies 
wiegandii
(Fern.) A. L�ve syn. Elymus wiegandii
 |  |  |  
| 38 | 
|   | Varietas 
wiegandii
(Fern.) Bowden syn. Elymus wiegandii
 |  |  |  | 
| 39 | 
|   | Species 
caninus
(L.) L. common name: 
bearded wheatgrass
 |  |  | 
| 40 | 
|   | Species 
capitatus
Scribn. syn. Leymus mollis ssp. mollis
 |  |  | 
| 41 | 
|   | Species 
caput-medusae
L. syn. Taeniatherum caput-medusae
 |  |  | 
| 42 | 
|   | Species 
ciliaris
(Trin.) Tzvel. common name: 
wildrye
 |  |  | 
| 43 | 
|   | Species 
cinereus
Scribn. & Merr. |  |  | 
|  | 
| 44 | 
|   | Varietas 
pubens
(Piper) C.L. Hitchc. syn. Leymus cinereus
 |  |  |  | 
| 45 | 
|   | Species 
condensatus
J. Presl common name: 
giant ryegrass
 |   |  | 
|  | 
| 46 | 
|   | Varietas 
pubens
Piper syn. Leymus cinereus
 |  |  |  
| 47 | 
|   | Varietas 
triticoides
(Buckl.) Thurb. syn. Leymus triticoides
 |  |  |  | 
| 48 | 
|   | Species 
crescendus
L.C. Wheeler syn. Elymus canadensis
 |  |  | 
| 49 | 
|   | Species 
curvatus
Piper syn. Elymus submuticus
 |  |  | 
| 50 | 
|   | Species 
cylindricus
(Franch.) Honda syn. Elymus dahuricus
 |  |  | 
| 51 | 
|   | Species 
dahuricus
Turcz. ex Griseb. common name: 
wildrye
 |  |  | 
| 52 | 
|   | Species 
diversiglumis
Scribn. & Ball common name: 
diverseglume wildrye
 |  |  | 
| 53 | 
|   | Species 
donianus
(F.B. White) A.& D. L�ve |  |  | 
|  | 
| 54 | 
|   | Subspecies 
virescens
(Lange) A.& D. L�ve syn. Elymus trachycaulus ssp. trachycaulus
 |  |  |  | 
| 55 | 
|   | Species 
elongatus
(Host) Runemark |  |  | 
|  | 
| 56 | 
|   | Varietas 
ponticus
(Podp.) Dorn syn. Thinopyrum ponticum
 |  |  |  | 
| 57 | 
|   | Species 
elymoides
(Raf.) Swezey |  |  | 
|  | 
| 58 | 
|   | Subspecies 
brevifolius
(J.G. Sm.) Barkworth, comb. nov. ined. common name: 
squirreltail
 |  |  |  
| 59 | 
|   | Varietas 
brevifolius
(J.G. Sm.) Dorn syn. Elymus elymoides ssp. brevifolius
 |  |  |  
| 60 | 
|   | Subspecies 
californicus
(J.G. Sm.) Barkworth, comb. nov. ined. common name: 
squirreltail
 |  |  |  
| 61 | 
|   | Subspecies 
elymoides common name: 
squirreltail
 |  |  |  
| 62 | 
|   | Subspecies 
hordeoides
(Suksdorf) Barkworth common name: 
squirreltail
 |  |  |  | 
| 63 | 
|   | Species 
farctus
(Viviani) Runemark ex Melderis p.p. syn. Thinopyrum junceiforme
 |  |  | 
| 64 | 
|   | Species 
flavescens
Scribn. & J.G. Sm. syn. Leymus flavescens
 |  |  | 
| 65 | 
|   | Species 
giganteus
Vahl syn. Leymus racemosus
 |  |  | 
| 66 | 
|   | Species 
glabriflorus
(Vasey) Scribn. & Ball |  |  | 
|  | 
| 67 | 
|   | Varietas 
australis
(Scribn. & Ball) J.J. Campbell syn. Elymus virginicus var. virginicus
 |  |  |  | 
| 68 | 
|   | Species 
glaucus
Buckl. common name: 
western ryegrass, lyme grass, wild rye
 |   |  | 
|  | 
| 69 | 
|   | Varietas 
aristatus
(Merr.) A.S. Hitchc. syn. �Elyleymus aristatus
 |  |  |  
| 70 | 
|   | Varietas 
breviaristatus
Burtt-Davy syn. Elymus glaucus ssp. glaucus
 |  |  |  
| 71 | 
|   | Subspecies 
glaucus common name: 
blue wildrye
 |  |  |  
| 72 | 
|   | Subspecies 
jepsonii
(Burtt-Davy) Gould common name: 
Jepson's blue wildrye
 |  |  |  
| 73 | 
|   | Varietas 
jepsonii
Burtt-Davy syn. Elymus glaucus ssp. jepsonii
 |  |  |  
| 74 | 
|   | Varietas 
tenuis
Vasey syn. Elymus glaucus ssp. jepsonii
 |  |  |  
| 75 | 
|   | Subspecies 
virescens
(Piper) Gould common name: 
blue wildrye
 |  |  |  
| 76 | 
|   | Varietas 
virescens
(Piper) Bowden syn. Elymus glaucus ssp. virescens
 |  |  |  | 
| 77 | 
|   | Species 
gmelinii
(Ledeb.) Tzvel. common name: 
wildrye
 |  |  | 
| 78 | 
|   | Species 
griffithii
(Scribn. & J.G. Sm. ex Piper) A. L�ve syn. Elymus albicans
 |  |  | 
| 79 | 
|   | Species 
halophilus
Bickn. syn. Elymus virginicus var. halophilus
 |  |  | 
| 80 | 
|   | Species 
hirsutiglumis
Scribn. syn. Elymus virginicus var. virginicus
 |  |  | 
| 81 | 
|   | Species 
hirsutus
J. Presl common name: 
northern ryegrass
 |  |  | 
| 82 | 
|   | Species 
hirtiflorus
A.S. Hitchc. syn. �Elyleymus hirtiflorus
 |  |  | 
| 83 | 
|   | Species 
hispidus
(Opiz) Melderis |  |  | 
|  | 
| 84 | 
|   | Subspecies 
barbulatus
(Schur) Melderis syn. Thinopyrum intermedium
 |  |  |  
| 85 | 
|   | Varietas 
ruthenicus
(Griseb.) Dorn syn. Thinopyrum intermedium
 |  |  |  | 
| 86 | 
|   | Species 
hoffmannii
K.B. Jensen & K.H. Asay common name: 
RS wheatgrass
 |  |  | 
| 87 | 
|   | Species 
hordeoides
(Suksdorf) Barkworth & D.R. Dewey syn. Elymus elymoides ssp. hordeoides
 |  |  | 
| 88 | 
|   | Species 
hyperarcticus
(Polunin) Tzvelev common name: 
tundra wildrye
 |  |  | 
| 89 | 
|   | Species 
hystrix
L. |  |  | 
|  | 
| 90 | 
|   | Varietas 
bigeloviana
(Fern.) Bowden common name: 
eastern bottlebrush grass
 |  |  |  
| 91 | 
|   | Varietas 
hystrix common name: 
eastern bottlebrush grass
 |  |  |  | 
| 92 | 
|   | Species 
innovatus
Beal |  |  | 
|  | 
| 93 | 
|   | Varietas 
glabratus
Bowden syn. Leymus innovatus
 |  |  |  
| 94 | 
|   | Varietas 
velutinus
Bowden syn. Leymus innovatus
 |  |  |  | 
| 95 | 
|   | Species 
interruptus
Buckl. common name: 
Texas wildrye
 |  |  | 
| 96 | 
|   | Species 
jejunus
(Ramaley) Rydb. syn. Elymus virginicus var. virginicus
 |  |  | 
| 97 | 
|   | Species 
junceus
Fisch. syn. Psathyrostachys juncea
 |  |  | 
| 98 | 
|   | Species 
laevis
(Scribn. & J.G. Sm.) Hoover syn. Elymus trachycaulus ssp. subsecundus
 |  |  | 
| 99 | 
|   | Species 
lanceolatus
(Scribn. & J.G. Sm.) Gould |  |  | 
|  | 
| 100 | 
|   | Subspecies 
albicans
(Scribn. & J.G. Sm.) Barkworth & D.R. De syn. Elymus albicans
 |  |  |  
| 101 | 
|   | Subspecies 
lanceolatus common name: 
streambank wheatgrass
 |  |  |  
| 102 | 
|   | Subspecies 
psammophilus
(Gillett & Senn) A. L�ve common name: 
streambank wheatgrass
 |  |  |  
| 103 | 
|   | Varietas 
riparius
(Scribn. & J.G. Sm.) Dorn syn. Elymus lanceolatus ssp. lanceolatus
 |  |  |  
| 104 | 
|   | Subspecies 
yukonensis
auct. non (Scribn. & Merr.) A. L�ve syn. Elymus calderi
 |  |  |  | 
| 105 | 
|   | Species 
longifolius
(J.G. Sm.) Gould syn. Elymus elymoides ssp. brevifolius
 |  |  | 
| 106 | 
|   | Species 
macounii
Vasey syn. �Elyhordeum macounii
 |  |  | 
| 107 | 
|   | Species 
macrourus
(Turcz.) Tzvelev common name: 
thickspike wheatgrass
 |  |  | 
| 108 | 
|   | Species 
mollis
Trin. |  |  | 
|  | 
| 109 | 
|   | Varietas 
brevispicus
Scribn. & J.G. Sm. syn. Leymus mollis ssp. villosissimus
 |  |  |  
| 110 | 
|   | Subspecies 
villosissimus
(Scribn.) A. L�ve syn. Leymus mollis ssp. villosissimus
 |  |  |  | 
| 111 | 
|   | Species 
multicaulis
Kar. & Kir. syn. Leymus multicaulis
 |  |  | 
| 112 | 
|   | Species 
multinodus
Gould syn. Thinopyrum junceiforme
 |  |  | 
| 113 | 
|   | Species 
multisetus
M.E. Jones common name: 
big squirreltail
 |  |  | 
| 114 | 
|   | Species 
orcuttianus
Vasey syn. Leymus triticoides
 |  |  | 
| 115 | 
|   | Species 
pacificus
Gould syn. Leymus pacificus
 |  |  | 
| 116 | 
|   | Species 
pauciflorus
(Schwein.) Gould, non Lam. syn. Elymus trachycaulus ssp. trachycaulus
 |  |  | 
| 117 | 
|   | Species 
pendulina
(Nevski) Tzvel. common name: 
wildrye
 |  |  | 
| 118 | 
|   | Species 
philadelphicus
L. |  |  | 
|  | 
| 119 | 
|   | Varietas 
hirsutus
Farw. syn. Elymus canadensis
 |  |  |  | 
| 120 | 
|   | Species 
piperi
Bowden syn. Leymus cinereus
 |  |  | 
| 121 | 
|   | Species 
pseudorepens
(Scribn. & J.G. Sm.) Gould syn. Elymus �pseudorepens
 |  |  | 
| 122 | 
|   | Species 
pungens
auct. non (Pers.) Melderis syn. Thinopyrum pycnanthum
 |  |  | 
| 123 | 
|   | Species 
pycnanthus
(Godr.) Melderis syn. Thinopyrum pycnanthum
 |  |  | 
| 124 | 
|   | Species 
racemosus
Lam. syn. Leymus racemosus
 |  |  | 
| 125 | 
|   | Species 
repens
(L.) Gould common name: 
quackgrass
 |  |  | 
| 126 | 
|   | Species 
riparius
Wieg. common name: 
riverbank wildrye
 |  |  | 
| 127 | 
|   | Species 
robustus
Scribn. & J.G. Sm. syn. Elymus canadensis
 |  |  | 
| 128 | 
|   | Species 
sabulosus
M. Bieb. syn. Leymus racemosus ssp. sabulosus
 |  |  | 
| 129 | 
|   | Species 
sajanensis
(Nevski) Tzvelev |  |  | 
|  | 
| 130 | 
|   | Subspecies 
hyperarcticus
(Polunin) Tzvelev syn. Elymus hyperarcticus
 |  |  |  | 
| 131 | 
|   | Species 
salinus
M.E. Jones syn. Leymus salinus ssp. salinus
 |  |  | 
| 132 | 
|   | Species 
saundersii
Vasey |  |  | 
|  | 
| 133 | 
|   | Varietas 
californicus
Hoover syn. Elymus �saundersii
 |  |  |  | 
| 134 | 
|   | Species 
saxicola
Scribn. & J.G. Sm. syn. �Pseudelymus saxicola
 |  |  | 
| 135 | 
|   | Species 
scribneri
(Vasey) M.E. Jones common name: 
spreading wheatgrass
 |  |  | 
| 136 | 
|   | Species 
semicostatum
(Nees ex Steud.) A. L�ve common name: 
drooping wildrye
 |  |  | 
| 137 | 
|   | Species 
sibiricus
L. common name: 
Siberian wildrye
 |  |  | 
| 138 | 
|   | Species 
sierrae
Gould common name: 
Sierra wildrye
 |  |  | 
| 139 | 
|   | Species 
simplex
Scribn. & Williams |  |  | 
|  | 
| 140 | 
|   | Varietas 
luxurians
Scribn. & Williams syn. Leymus simplex
 |  |  |  | 
| 141 | 
|   | Species 
sitanion
J.A. Schultes syn. Elymus elymoides ssp. elymoides
 |  |  | 
| 142 | 
|   | Species 
smithii
(Rydb.) Gould syn. Pascopyrum smithii
 |  |  | 
| 143 | 
|   | Species 
spicatus
(Pursh) Gould syn. Pseudoroegneria spicata ssp. spicata
 |  |  | 
| 144 | 
|   | Species 
stebbinsii
Gould common name: 
Parish wheatgrass
 |  |  | 
| 145 | 
|   | Species 
striatus
Willd. syn. Elymus virginicus var. virginicus
 |  |  | 
| 146 | 
|   | Species 
strigosus
Rydb. syn. Leymus salinus ssp. salinus
 |  |  | 
| 147 | 
|   | Species 
submuticus
(Hook.) Smyth & Smyth common name: 
Virginia wildrye
 |  |  | 
| 148 | 
|   | Species 
subsecundus
(Link) A. Love & D. Love common name: 
bearded wheatgrass
 |  |  | 
| 149 | 
|   | Species 
subvillosus
(Hook.) Gould syn. Elymus lanceolatus ssp. lanceolatus
 |  |  | 
| 150 | 
|   | Species 
svensonii
Church common name: 
Svenson's wildrye
 |  |  | 
| 151 | 
|   | Species 
tangutorum
(Nevshi) Hand. common name: 
wildrye
 |  |  | 
| 152 | 
|   | Species 
trachycaulus
(Link) Gould ex Shinners |  |  | 
|  | 
| 153 | 
|   | Subspecies 
andinus
(Scribn. & J.G. Sm.) A.& D. L�ve syn. Elymus trachycaulus ssp. trachycaulus
 |  |  |  
| 154 | 
|   | Varietas 
andinus
(Scribn. & J.G. Sm.) Dorn syn. Elymus trachycaulus ssp. trachycaulus
 |  |  |  
| 155 | 
|   | Subspecies 
bakeri
(E. Nels.) A. L�ve syn. Elymus bakeri
 |  |  |  
| 156 | 
|   | Subspecies 
glaucus
(Pease & Moore) Cody syn. Elymus trachycaulus ssp. subsecundus
 |  |  |  
| 157 | 
|   | Subspecies 
latiglumis
(Scribn. & J.G. Sm.) Barkworth & D.R. De syn. Elymus alaskanus ssp. latiglumis
 |  |  |  
| 158 | 
|   | Varietas 
latiglumis
(Scribn. & J.G. Sm.) Beetle syn. Elymus alaskanus ssp. latiglumis
 |  |  |  
| 159 | 
|   | Varietas 
majus
(Vasey) Beetle syn. Elymus trachycaulus ssp. trachycaulus
 |  |  |  
| 160 | 
|   | Subspecies 
novae-angliae
(Scribn.) Tzvelev syn. Elymus trachycaulus ssp. trachycaulus
 |  |  |  
| 161 | 
|   | Subspecies 
subsecundus
(Link) A.& D. L�ve common name: 
slender wheatgrass
 |  |  |  
| 162 | 
|   | Subspecies 
teslinensis
(Porsild & Senn) A. L�ve syn. Elymus trachycaulus ssp. trachycaulus
 |  |  |  
| 163 | 
|   | Subspecies 
trachycaulus common name: 
slender wheatgrass
 |  |  |  
| 164 | 
|   | Varietas 
unilateralis
(Cassidy) Beetle syn. Elymus trachycaulus ssp. subsecundus
 |  |  |  
| 165 | 
|   | Subspecies 
violaceus
(Hornem.) A.& D. L�ve syn. Elymus alaskanus ssp. latiglumis
 |  |  |  | 
| 166 | 
|   | Species 
triticoides
Buckl. common name: 
alkali ryegrass
 |   |  | 
|  | 
| 167 | 
|   | Subspecies 
multiflorus
Gould syn. Leymus �multiflorus
 |  |  |  
| 168 | 
|   | Varietas 
pacificus
(Gould) Bowden syn. Leymus pacificus
 |  |  |  
| 169 | 
|   | Varietas 
pubescens
A.S. Hitchc. syn. Leymus triticoides
 |  |  |  
| 170 | 
|   | Subspecies 
simplex
(Scribn. & Williams) A. L�ve syn. Leymus simplex
 |  |  |  
| 171 | 
|   | Varietas 
simplex
(Scribn. & Williams) A.S. Hitchc. syn. Leymus simplex
 |  |  |  | 
| 172 | 
|   | Species 
vancouverensis
Vasey syn. Leymus �vancouverensis
 |  |  | 
| 173 | 
|   | Species 
varnensis
(Velen.) Runemark syn. Thinopyrum ponticum
 |  |  | 
| 174 | 
|   | Species 
villiflorus
Rydb. syn. Leymus ambiguus
 |  |  | 
| 175 | 
|   | Species 
villosissimus
Scribn. syn. Leymus mollis ssp. villosissimus
 |  |  | 
| 176 | 
|   | Species 
villosus
Muhl. ex Willd. |  |  | 
|  | 
| 177 | 
|   | Varietas 
arkansanus
(Scribn. & Ball) J.J. Campbell syn. Elymus villosus
 |  |  |  | 
| 178 | 
|   | Species 
virescens
Piper syn. Elymus glaucus ssp. virescens
 |  |  | 
| 179 | 
|   | Species 
virginicus
L. common name: 
Virginia wild rye
 |   |  | 
|  | 
| 180 | 
|   | Varietas 
australis
(Scribn. & Ball) A.S. Hitchc. syn. Elymus virginicus var. virginicus
 |  |  |  
| 181 | 
|   | Varietas 
glabriflorus
(Vasey) Bush syn. Elymus virginicus var. virginicus
 |  |  |  
| 182 | 
|   | Varietas 
halophilus
(Bickn.) Wieg. common name: 
Virginia wildrye
 |  |  |  
| 183 | 
|   | Varietas 
hirsutiglumis
(Scribn.) A.S. Hitchc. syn. Elymus virginicus var. virginicus
 |  |  |  
| 184 | 
|   | Varietas 
intermedius
(Vasey) Bush syn. Elymus virginicus var. virginicus
 |  |  |  
| 185 | 
|   | Varietas 
jejunus
(Ramaley) Bush syn. Elymus virginicus var. virginicus
 |  |  |  
| 186 | 
|   | Varietas 
jenkinsii
Bowden syn. Elymus submuticus
 |  |  |  
| 187 | 
|   | Varietas 
submuticus
Hook. syn. Elymus submuticus
 |  |  |  
| 188 | 
|   | Varietas 
virginicus common name: 
Virginia wildrye
 |  |  |  | 
| 189 | 
|   | Species 
vulpinus
Rydb. common name: 
Rydberg's wildrye
 |  |  | 
| 190 | 
|   | Species 
wiegandii
Fern. common name: 
Wiegand's wildrye
 |  |  | 
| 191 | 
|   | Species 
x aleuticus
(Hult�n) Bowden syn. �Elyleymus aleuticus
 |  |  | 
| 192 | 
|   | Species 
x ebingeri
G. Tucker |  |  | 
| 193 | 
|   | Species 
x hansenii
Scribn. (pro sp.) |  |  | 
| 194 | 
|   | Species 
x maltei
Bowden |  |  | 
|  | 
| 195 | 
|   | Varietas 
brownii
Bowden syn. Elymus �maltei
 |  |  |  
| 196 | 
|   | Varietas 
churchii
Bowden syn. Elymus �maltei
 |  |  |  
| 197 | 
|   | Varietas 
simulans
Bowden syn. Elymus �maltei
 |  |  |  | 
| 198 | 
|   | Species 
x mossii
(Lepage) Barkworth & D.R. Dewey |  |  | 
| 199 | 
|   | Species 
x palmerensis
(Lepage) Barkworth & D.R. Dewey |  |  | 
| 200 | 
|   | Species 
x pinaloensis
(Pyrah) Barkworth & D.R. Dewey |  |  | 
| 201 | 
|   | Species 
x pseudorepens
(Scribn. & J.G. Sm.) Barkworth & D.R. De |  |  | 
| 202 | 
|   | Species 
x saundersii
Vasey (pro sp.) |  |  | 
| 203 | 
|   | Species 
x vancouverensis
Vasey |  |  | 
|  | 
| 204 | 
|   | Varietas 
californicus
Bowden syn. Leymus �vancouverensis
 |  |  |  
| 205 | 
|   | Varietas 
crescentianus
Bowden syn. Leymus �vancouverensis
 |  |  |  | 
| 206 | 
|   | Species 
x yukonensis
auct. non (Scribn. & Merr.) A. L�ve (pro syn. Elymus calderi
 |  |  |