key

Common Name	Scientific Name	Family	LS	D	A
red brome	Bromus rubens	Gramineae	a	w	1a
six weeks threeawn	Aristida adscensionis	Gramineae	a	w	2vc
sideoats grama	Bouteloua curtipendula	Gramineae	p	w	2vc
slender grama	Bouteloua repens	Gramineae	p	w	2vc
Arizona panicgrass	Brachiaria arizonica	Gramineae	a	w	2vc
Arizona cottontop	Digitaria californica	Gramineae	p	w	2vc
fluff grass	Erioneuron pulchellum	Gramineae	a-p	w	2vc
tanglehead	Heteropogon contortus	Gramineae	p	w	2vc
curly mesquite grass	Hilaria belangeri	Gramineae	p	w	2vc
bush muhly	Muhlenbergia porteri	Gramineae	p	w	2vc
Mediterranean grass	Schismus barbatus	Gramineae	a	w	2vc
threeawn spider grass	Aristida hamulosa	Gramineae	p	w	3c
reverchon threeawn	Aristida purpurea nealleyi	Gramineae	p	w	3c
purple threeawn	Aristida purpurea purpurea	Gramineae	p	w	3c
spider grass	Aristida ternipes	Gramineae	p	w	3c
spike pappusgrass	Enneapogon desvauxii	Gramineae	p	w	3c
wild barley	Hordeum murinum	Gramineae	a	w	3c
red sprangletop	Leptochloa filiformis	Gramineae	a	w	3c
Bigelow's bluegrass	Poa bigelovii	Gramineae	a	w	3c
bristlegrass	Setaria leucopila	Gramineae	p	w	3c
slim tridens	Tridens muticus	Gramineae	p	w	3c
six weeks fescue	Vulpia octoflora	Gramineae	a	w	3c
six weeks needle grama	Bouteloua aristidoides	Gramineae	a	w	4uc
feather fingergrass	Chloris virgata	Gramineae	a	w	4uc
Lehmann lovegrass	Eragrostis lehmanniana	Gramineae	p	w	4uc
threeawn	Aristida parishii	Gramineae	p	s	3c
Arizona brome	Bromus carinatus	Gramineae	a	s	3c
Bermuda grass	Cynodon dactylon	Gramineae	p	s	3c
littleseed muhly	Muhlenbergia microsperma	Gramineae	a	s	3c
witchgrass	Panicum hirticaule	Gramineae	a	s	3c
pappus grass	Pappophorum vaginatum	Gramineae	p	s	3c
buffel grass	Pennisetum ciliare	Gramineae	p	s	3c
fountain grass	Pennisetum setaceum	Gramineae	p	s	3c
plains bristlegrass	Setaria macrostachya	Gramineae	p	s	3c
Johnson grass	Sorghum halepense	Gramineae	p	s	3c
wild oat	Avena fatua	Gramineae	a	s	4uc
cane beardgrass	Bothriochloa barbinodis	Gramineae	p	s	4uc
six weeks grama	Bouteloua barbata	Gramineae	a	s	4uc
red grama	Bouteloua trifida	Gramineae	p	s	4uc
cotta grass	Cottea pappophoroides	Gramineae	p	s	4uc
jungle ricegrass	Echinochloa colonum	Gramineae	a	s	4uc
squirrel tail	Elymus elymoides	Gramineae	p	s	4uc
stink grass	Eragrostis cilianensis	Gramineae	a	s	4uc
lovegrass	Eragrostis echinochloidea	Gramineae	p	s	4uc
tobosa	Hilaria mutica	Gramineae	p	s	4uc
green sprangletop	Leptochloa dubia	Gramineae	p	s	4uc
natal grass	Rhynchelytrum repens	Gramineae	p	s	4uc
bristlegrass	Setaria liebmannii	Gramineae	a	s	4uc
spike dropseed	Sporobolus contractus	Gramineae	p	s	4uc
hairy grama	Bouteloua hirsuta	Gramineae	p	l	2vc
giant cane	Arundo donax	Gramineae	p	l	3c
sprucetop grama	Bouteloua chondrosioides	Gramineae	p	l	3c
black grama	Bouteloua eriopoda	Gramineae	p	l	3c
blue grama	Bouteloua gracilis	Gramineae	p	l	3c
ripgut grass	Bromus diandrus	Gramineae	a	l	3c
Mediterranean lovegrass	Eragrostis barrelieri	Gramineae	a	l	3c
little barley	Hordeum pusillum	Gramineae	a	l	3c
bull grass	Muhlenbergia emersleyi	Gramineae	p	l	3c
vine mesquite	Panicum obtusum	Gramineae	p	l	3c
burrograss	Scleropogon brevifolius	Gramineae	p	l	3c
bur bristlegrass	Setaria adhaerans	Gramineae	p	l	3c
Grisebach bristlegrass	Setaria grisebachii	Gramineae	a	l	3c
sacaton	Sporobolus wrightii	Gramineae	p	l	3c
rothrock grama	Bouteloua rothrockii	Gramineae	p	l	4uc
plains lovegrass	Eragrostis intermedia	Gramineae	p	l	4uc
deer grass	Muhlenbergia rigens	Gramineae	p	l	4uc
broomcorn millet	Panicum miliaceum	Gramineae	a	l	4uc
littleseed canary grass	Phalaris minor	Gramineae	a	l	4uc
common reed	Phragmites australis	Gramineae	p	l	4uc
rabbitfoot grass	Polypogon monspeliensis	Gramineae	a	l	4uc
alkali sacaton	Sporobolus airoides	Gramineae	p	l	4uc
sand dropseed	Sporobolus cryptandrus	Gramineae	p	l	4uc
small fescue	Vulpia microstachys	Gramineae	a	l	4uc
King Ranch bluestem	Bothriochloa ischaemum	Gramineae	p	l	5r
rescue grass	Bromus catharticus	Gramineae	a	l	5r
pampas grass	Cortaderia selloana	Gramineae	p	l	5r
sourgrass	Digitaria insularis	Gramineae	p	l	5r
	Enneapogon cenchroides	Gramineae	p	l	5r
weeping lovegrass	Eragrostis curvula	Gramineae	p	l	5r
lovegrass	Eragrostis pectinacea	Gramineae	a	l	5r
cupgrass	Eriochloa acuminata	Gramineae	a	l	5r
goldentop	Lamarckia aurea	Gramineae	a	l	5r
Mexican sprangletop	Leptochloa univervia	Gramineae	a	l	5r
wolftail	Lycurus setosus	Gramineae	p	l	5r
mesa muhly	Muhlenbergia monticola	Gramineae	p	l	5r
desert needlegrass	Stipa speciosa	Gramineae	p	l	5r
	Tridens eragrostoides	Gramineae	p	l	5r
prairie trisetum	Trisetum interruptum	Gramineae	a	l	5r
wheat	Triticum aestivum	Gramineae	a	l	5r

LS = lifespan (p = perennial; a = annual; a-b = annual or biennial; a-p = annual or perennial)
D = distribution (w = widespread; s = scattered; l = local)
A = abundance (1a = abundant; 2vc = very common; 3c = common; 4uc = uncommon; 5r = rare)