Arizona Grasses on this Site

By Scientific Name

Capitalized county abbreviations are as follows:
APA=Apache  COCH=Cochise  COCO=Coconino  GIL=Gila  GRA=Graham  GRE=Greenlee  LAP=La Paz  MAR= Maricopa  MOH=Mohave  NAV=Najajo  PIM=Pima  PIN=Pinal  SAN=Santa Cruz  YAV=Yavapai  YUM=Yuma

• A
• Aegilops cylindrica (Jointed Goatgrass)  APA COCH COCO GIL MAR MOH PIM YAV
• Agropyron cristatum (Crested Wheatgrass)  APA COCO GIL GRA MOH NAV YAV
• Alopecurus geniculatus (Water Foxtail)  APA COCO PIM YAV
• Andropogon gerardii (Big Bluestem)  APA COCO GIL NAV PIN YAV
• Aristida purpurea (Purple Three-awn)  ALL COUNTIES
• Aristida schiedeana (Single Three-awn)  ALL COUNTIES except LAP YUM
• Aristida ternipes (Spidergrass)  ALL COUNTIES
• Arrhenatherum elatius (Tall Oatgrass)  COCO GRA NAV YAV
• Avena fatua (Wild Oats)  ALL COUNTIES
• B
• Blepharoneuron tricholepis (Hairy Dropseed)  ALL COUNTIES except LAP YUM
• Bothriochloa barbinodis (Cane Bluestem)  ALL COUNTIES
• Bothriochloa ischaemum (Yellow Bluestem)  ALL COUNTIES except GRA GRE LAP YUM
• Bouteloua aristidoides (Needle Grama)  ALL COUNTIES except NAV
• Bouteloua curtipendula (Sideoats Grama)  ALL COUNTIES
• Bouteloua gracilis (Blue Grama)  ALL COUNTIES
• Bouteloua simplex (Mat Grama)  ALL COUNTIES except LAP MAR PIM PIN SAN YUM
• Bromus ciliatus (Fringed Brome)  ALL COUNTIES except LAP MAR PIN YUM
• Bromus diandrus (Great Brome)  ALL COUNTIES except GRE NAV SAN
• Bromus inermis (Smooth Brome)  ALL COUNTIES except LAP MAR MOH PIM PIN SAN YUM
• Bromus japonicus (Japanese Brome)  ALL COUNTIES except GRA LAP MAR PIN YUM
• Bromus rubens (Red Brome)  ALL COUNTIES except COCH GRE LAP NAV SAN
• Bromus tectorum (Cheatgrass)  ALL COUNTIES
• C
• Cenchrus ciliaris (Buffelgrass)  ALL COUNTIES except APA GRA GRE MOH NAV
• Cenchrus setaceus (Fountaingrass)  ALL COUNTIES except APA COCO GRA GRE NAV PIN
• Cenchrus longispinus (Mat Sandbur)  ALL COUNTIES except COCH GRE PIN YUM
• Chloris virgata (Feather Fingergrass)  ALL COUNTIES
• Cynodon dactylon (Bermudagrass)  ALL COUNTIES
• D
• Dactylis glomerata (Orchardgrass)  ALL COUNTIES except LAP PIN SAN YUM
• Dasyochloa pulchella (Fluffgrass)  ALL COUNTIES
• Digitaria californica (Arizona Cottontop)  ALL COUNTIES except APA
• Dinebra panicea (Red Sprangletop)  ALL COUNTIES except LAP MOH
• Disakisperma dubium  (Green Sprangletop)  ALL COUNTIES except LAP MAR MOH NAV SAN YUM
• E
• Echinochloa muricata  (American Barnyardgrass)  ALL COUNTIES except GRE LAP MAR MOH SAN YUM
• Elymus elymoides  (Squirreltail)  ALL COUNTIES except YUM
• Enneapogon desvauxii  (Nineawn Pappusgrass)  ALL COUNTIES
• Eragrostis cilianensis  (Stinkgrass)  ALL COUNTIES
• Eragrostis curvula  (Weeping Lovegrass)  ALL COUNTIES except APA GRE LAP YUM
• Eragrostis mexicana  (Mexican Lovegrass)  ALL COUNTIES except LAP YUM
• Eriochloa contracta  (Prairie Cupgrass)  GIL MAR PIM SAN YUM
• H
• Hesperostipa comata (Needle and Thread)  ALL COUNTIES except COCH GRA GRE LAP PIN YUM
• Hesperostipa neomexicana (New Mexican Needlegrass)  ALL COUNTIES except YUM
• Heteropogon contortus (Tanglehead)  ALL COUNTIES except APA
• Hilaria jamesii (Galleta)  APA COCH COCO GIL MAR MOH NAV YAV YUM
• Hilaria mutica (Tobosagrass)  ALL COUNTIES except APA NAV
• Hopia obtusa (Vine Mesquite)  ALL COUNTIES
• Hordeum jubatum (Foxtail Barley)  ALL COUNTIES except GIL LAP MOH NAV YUM
• Hordeum murinum (Wall Barley)  ALL COUNTIES
• K
• Koeleria macrantha (Junegrass)  ALL COUNTIES except LAP YUM
• L
• Lolium perenne (Perennial Ryerass)  ALL COUNTIES except LAP
• M
• Muhlenbergia minutissima (Annual Muhly)  ALL COUNTIES except LAP MAR YUM
• Muhlenbergia montana (Mountain Muhly)  APA COCH COCO GIL GRA SAN YAV
• Muhlenbergia porteri (Bush Muhly)  ALL COUNTIES
• Muhlenbergia racimosa (Marsh Muhly)  APA COCO GIL MAR MOH NAV PIM
• Muhlenbergia richardsonis (Mat Muhly)  APA COCH COCO MOH NAV YAV
• Muhlenbergia rigens (Deergrass)  ALL COUNTIES except LAP YUM
• Muhlenbergia wrightii (Spike Muhly)  ALL COUNTIES except GRA LAP PIN YUM
• P
• Panicum capillare (Witchgrass)  ALL COUNTIES except SAN
• Panicum virgatum (Switchgrass)  COCO GIL NAV PIM SAN YAV (probably more)
• Paspalum dilatatum (Dallis Grass)  ALL COUNTIES except NAV PIN
• Phragmites australis (Common Reed)  ALL COUNTIES except COCH GRE PIN SAN
• Piptochaetium pringlei (Pringle's Speargrass)  ALL COUNTIES except GRE LAP MAR MOH YUM
• Poa fendleriana (Muttongrass)  ALL COUNTIES
• Poa wheeleri (Wheeler's Bluegrass)  COCO County only
• Polypogon monspeliensis (Rabbitsfoot)  ALL COUNTIES
• S
• Schizachyrium scoparium (Little Bluestem)  ALL COUNTIES except MAR YUM
• Secale cereale (Rye)  COCO MAR MOH NAV YAV
• Setaria macrostachya (Plains Bristlegrass)  ALL COUNTIES
• Sorghum halepense (Johnson Grass)  ALL COUNTIES
• Sporobolus contractus (Spike Dropseed)  ALL COUNTIES except GRE and LAP
• T
• Thinopyrum intermedium (Intermediate Wheatgrass)  APA COCO GIL GRE MOH NAV PIM YAV
• V
• Vulpia octoflora (Sixweeks Fescue)  ALL COUNTIES
• Z
• Zuloagaea bulbosa (Bulb Panicgrass)  ALL COUNTIES except LAP and YUM