Grasses Across 3 Seasons
Native Plant Master Course

2025 •South Platt Park, Arapahoe County*

*This list includes other grasses that I am studying from my home garden, as well as a few grass “look-alikes” that may be on the Native Plant Master exam. Grasses that the instructor has indicated might be on the exam are starred ★. Most photos are my own, unless otherwise noted.

Featured
Achnatherum hymenoides (Indian Rice Grass)
Poaceae, grasses, native grasses, South Platt Park
Achnatherum hymenoides (Indian Rice Grass)
Poaceae, grasses, native grasses, South Platt Park
Poaceae, grasses, native grasses, South Platt Park
★ Aegilops cylindrica (Jointed Goatgrass)
Poaceae, grasses, introduced, South Platt Park, non-native, annual, cool season grasses, invasive
★ Aegilops cylindrica (Jointed Goatgrass)
Poaceae, grasses, introduced, South Platt Park, non-native, annual, cool season grasses, invasive
Poaceae, grasses, introduced, South Platt Park, non-native, annual, cool season grasses, invasive
★ Agropyron cristatum (Crested Wheatgrass)
Hildebrand, Poaceae, grasses, South Platt Park, introduced, non-native
★ Agropyron cristatum (Crested Wheatgrass)
Hildebrand, Poaceae, grasses, South Platt Park, introduced, non-native
Hildebrand, Poaceae, grasses, South Platt Park, introduced, non-native
★ Andropogon gerardi (Big Bluestem)
grasses, native to colorado, my garden, Poaceae, South Platt Park
★ Andropogon gerardi (Big Bluestem)
grasses, native to colorado, my garden, Poaceae, South Platt Park
grasses, native to colorado, my garden, Poaceae, South Platt Park
☯ Avena sativa (Oats)
Poaceae, medicinal, nervine, ASH Unit 1, non-native
☯ Avena sativa (Oats)
Poaceae, medicinal, nervine, ASH Unit 1, non-native
Poaceae, medicinal, nervine, ASH Unit 1, non-native
★ Bouteloua curtipendula (Sideoats Grama Grass)
Poaceae, grasses, South Platt Park, native grasses, native to colorado
★ Bouteloua curtipendula (Sideoats Grama Grass)
Poaceae, grasses, South Platt Park, native grasses, native to colorado
Poaceae, grasses, South Platt Park, native grasses, native to colorado
★ Bouteloua gracilis (Blue Grama Grass)
grass, wishlist, native to colorado, Poaceae, South Platt Park, my garden, grasses
★ Bouteloua gracilis (Blue Grama Grass)
grass, wishlist, native to colorado, Poaceae, South Platt Park, my garden, grasses
grass, wishlist, native to colorado, Poaceae, South Platt Park, my garden, grasses
★ Bromus inermis (Smooth Brome)
Poaceae, Class C Noxious Weed, Red Rocks, grasses, Roxborough, South Platt Park
★ Bromus inermis (Smooth Brome)
Poaceae, Class C Noxious Weed, Red Rocks, grasses, Roxborough, South Platt Park
Poaceae, Class C Noxious Weed, Red Rocks, grasses, Roxborough, South Platt Park
★ Bromus japonicus (Japanese Brome)
South Platt Park, Poaceae, grasses, introduced, non-native
★ Bromus japonicus (Japanese Brome)
South Platt Park, Poaceae, grasses, introduced, non-native
South Platt Park, Poaceae, grasses, introduced, non-native
★ Bromus tectorum (Cheatgrass; Downy Brome)
Poaceae, grasses, Hildebrand, Red Rocks, non-native, Class C Noxious Weed, Roxborough, South Platt Park
★ Bromus tectorum (Cheatgrass; Downy Brome)
Poaceae, grasses, Hildebrand, Red Rocks, non-native, Class C Noxious Weed, Roxborough, South Platt Park
Poaceae, grasses, Hildebrand, Red Rocks, non-native, Class C Noxious Weed, Roxborough, South Platt Park
★ Buchloe dactyloides (Buffalo Grass)
Poaceae, grasses, native to colorado, native grasses, wishlist, South Platt Park
★ Buchloe dactyloides (Buffalo Grass)
Poaceae, grasses, native to colorado, native grasses, wishlist, South Platt Park
Poaceae, grasses, native to colorado, native grasses, wishlist, South Platt Park
Calamagrostis brachytricha (Korean Feather Reed Grass)
garden in a box, grass, Poaceae, introduced, Plant Select, South Platt Park, non-native
Calamagrostis brachytricha (Korean Feather Reed Grass)
garden in a box, grass, Poaceae, introduced, Plant Select, South Platt Park, non-native
garden in a box, grass, Poaceae, introduced, Plant Select, South Platt Park, non-native
★ Carex nebrascensis (Nebraska sedge)
Cyperaceae, native to colorado, South Platt Park
★ Carex nebrascensis (Nebraska sedge)
Cyperaceae, native to colorado, South Platt Park
Cyperaceae, native to colorado, South Platt Park
Chloris verticillata (Tumble Windmill Grass)
Poaceae, grasses, native grasses, South Platt Park
Chloris verticillata (Tumble Windmill Grass)
Poaceae, grasses, native grasses, South Platt Park
Poaceae, grasses, native grasses, South Platt Park
★ Dactylis glomerata (Orchardgrass)
Poaceae, grasses, non-native, Red Rocks, introduced
★ Dactylis glomerata (Orchardgrass)
Poaceae, grasses, non-native, Red Rocks, introduced
Poaceae, grasses, non-native, Red Rocks, introduced
Poaceae, grasses
Deschampsia cespitosa (Tufted Hair Grass)
Poaceae, grasses
Poaceae, grasses
Echinochloa crusgalli (Barnyard Grass)
Poaceae, South Platt Park, grasses, introduced, non-native
Echinochloa crusgalli (Barnyard Grass)
Poaceae, South Platt Park, grasses, introduced, non-native
Poaceae, South Platt Park, grasses, introduced, non-native
Poaceae, native grasses, native to colorado, South Platt Park, grasses
Elymus elymoides (Squirrel Tail Grass)
Poaceae, native grasses, native to colorado, South Platt Park, grasses
Poaceae, native grasses, native to colorado, South Platt Park, grasses
Poaceae, grasses, native grasses, native to colorado
Elymus trachycaulus (Slender Wheatgrass)
Poaceae, grasses, native grasses, native to colorado
Poaceae, grasses, native grasses, native to colorado
Poaceae, grasses
Festuca arizonica (Arizona Fescue Grass)
Poaceae, grasses
Poaceae, grasses
Poaceae, grasses
Festuca idahoensis (Idaho Fescue Grass)
Poaceae, grasses
Poaceae, grasses
Hesperostipa comata (Needle & Thread Grass)
Poaceae, grasses, native grasses, native to colorado, South Platt Park
Hesperostipa comata (Needle & Thread Grass)
Poaceae, grasses, native grasses, native to colorado, South Platt Park
Poaceae, grasses, native grasses, native to colorado, South Platt Park
★ Hordeum jubatum (Foxtail Barley)
Poaceae, grasses, native grasses, native to colorado, South Platt Park
★ Hordeum jubatum (Foxtail Barley)
Poaceae, grasses, native grasses, native to colorado, South Platt Park
Poaceae, grasses, native grasses, native to colorado, South Platt Park
★ Iris missouriensis (Rocky Mountain Iris)
South Platt Park, native to colorado, Iridaceae
★ Iris missouriensis (Rocky Mountain Iris)
South Platt Park, native to colorado, Iridaceae
South Platt Park, native to colorado, Iridaceae
★ Juncus compressus (Round-Fruit Rush)
South Platt Park, introduced, non-native, Juncaceae
★ Juncus compressus (Round-Fruit Rush)
South Platt Park, introduced, non-native, Juncaceae
South Platt Park, introduced, non-native, Juncaceae
Koeleria macrantha (Prairie Junegrass)
Poaceae, my garden, grasses, cool season grasses, native grasses, native to colorado
Koeleria macrantha (Prairie Junegrass)
Poaceae, my garden, grasses, cool season grasses, native grasses, native to colorado
Poaceae, my garden, grasses, cool season grasses, native grasses, native to colorado
Poaceae, native grasses, native to colorado, grasses, South Platt Park
Muhlenbergia asperifolia (Scratchgrass)
Poaceae, native grasses, native to colorado, grasses, South Platt Park
Poaceae, native grasses, native to colorado, grasses, South Platt Park
grasses, native grasses, Poaceae
Nassella tenuissima (Mexican Feather Grass)
grasses, native grasses, Poaceae
grasses, native grasses, Poaceae
★ Panicum capillare (Witchgrass)
Poaceae, native grasses, native to colorado, grasses, South Platt Park
★ Panicum capillare (Witchgrass)
Poaceae, native grasses, native to colorado, grasses, South Platt Park
Poaceae, native grasses, native to colorado, grasses, South Platt Park
★ Panicum virgatum (Switch Grass)
Poaceae, South Platt Park, native grasses, native to colorado, grasses, wishlist
★ Panicum virgatum (Switch Grass)
Poaceae, South Platt Park, native grasses, native to colorado, grasses, wishlist
Poaceae, South Platt Park, native grasses, native to colorado, grasses, wishlist