| Glyceria leptostachya | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Poaceae |
| Subfamily: | Pooideae |
| Genus: | Glyceria |
| Species: | G. leptostachya |
| Binomial name | |
| Glyceria leptostachya | |
Glyceria leptostachya is a species of mannagrass known by the common names davy mannagrass and narrow mannagrass.
It is native to western North America from Alaska to California, where it grows in wet places such as riverbanks.
This rhizomatous perennial grass produces narrow stems approaching a maximum height of 1.5 meters. The leaves may be flat or rolled along the edges and they have ligules up to a centimeter long. The inflorescence is narrow and compact, bearing spikelets parallel to the stem instead of spreading outward. Each spikelet is one to two centimeters long and contains up to 14 or 15 florets with membranous margins.
Elymus glaucus is a species of grass known as blue wild rye or blue wildrye This grass is native to North America from Alaska to New York to northern Mexico. It is a common and widespread species of wild rye.
Glyceria borealis is a species of Glyceria known by the common names northern mannagrass, boreal mannagrass, and small floating mannagrass. It is native to much of the northern half of North America, where it has a widespread distribution. This semiaquatic plant grows in wet areas in mountain forests, often in the water.
Glyceria striata is a species of Glyceria which is known by the common names fowl mannagrass and ridged glyceria. It is native to much of North America, from Alaska and northern Canada to northern Mexico.
Calamagrostis foliosa is a species of grass known by the common name leafy reedgrass. It is endemic to northern California, where it grows in the forests and scrub on the coastline.
Carex concinnoides is a species of sedge known by the common name northwestern sedge. It is native to western North America from British Columbia to California, where it can be found in moist or dry habitat, often in woodland and forested slopes, on silty and clay soils. This sedge produces loose clumps of stems up to about 35 centimeters in maximum height from long rhizomes. The leaves are thick but narrow, sickle-shaped, and pale green in color. Inflorescences occur at the stem tips, and some pistillate inflorescences grow from nodes along the stem. The spikelets have purplish bracts. The pistillate flowers have four stigmas on each pistil, an identifying characteristic. The fruit is coated in a sac called a perigynium, which is white to light brown in color, purple-tipped, and covered in hairs.
Carex hoodii is a species of sedge known by the common name Hood's sedge. It is native to western North America from Alaska to Nunavut to California to South Dakota, where it grows in dry to moist habitat in forests and on mountain slopes.
Eleocharis bolanderi is a species of spikesedge known by the common name Bolander's spikerush. It is native to the western United States from Colorado west to Oregon and California. It grows in wet spots in several types of habitat, including mountain meadows and springs. It is a rhizomatous perennial herb producing erect, hairless stems 10 to 30 centimeters tall. The narrow, wispy leaves often have purple or reddish speckles and purplish tinting around the bases. The inflorescence is an oval-shaped spikelet at the tip of the stem under a centimeter long and made up of several dark brown, sometimes purple-tinged flowers.
Melica torreyana is a species of grass known by the common name Torrey's melicgrass.
Muhlenbergia filiformis, known by the common name pullup muhly, is a species of grass. It is native to western North America from western Canada through the Western United States to northern Mexico.
Muhlenbergia utilis is a species of grass known by the common name aparejograss.
Munroa squarrosa is a species of grass known by the common name false buffalograss. It is native to North America from central Canada to Chihuahua in Mexico. It can be found in many types of dry, open habitat, including disturbed areas.
Torreyochloa erecta is a species of grass known by the common name spiked false mannagrass. It is native to the Cascade Range and Sierra Nevada ranges, its distribution extending from California north into Oregon and east into Nevada. It grows in mountain forests and the margins of lakes and streams, at elevations above 2000 meters. It is a rhizomatous perennial grass producing thick, erect stems up to about 60 centimeters in maximum height. The inflorescence is a narrow panicle much longer than wide, containing wide, compressed spikelets containing 4 to 6 florets each.
Torreyochloa pallida is a species of grass known by the common names pale false mannagrass and weak manna grass. It is native to North America, especially the east and west sides. It grows in wet habitat, such as rivers, lakesides, bogs, and swamps. It is a rhizomatous perennial grass producing thick, erect to decumbent, sometimes matted stems which can easily exceed one meter in maximum length. The inflorescence is a branching panicle up to 25 centimeters long by 12 wide containing compressed spikelets with up to 8 florets each.
Achnatherum thurberianum is a species of grass known by the common name Thurber's needlegrass. It is native to the western United States, where it occurs from Washington to California and east to Montana and Wyoming.
Calamagrostis montanensis is a species of grass known by the common names plains reedgrass and prairie reedgrass. It is native to North America, where it is found across Canada from British Columbia to Manitoba and south to Colorado in the United States.
Aristida purpurascens is a species of grass known by the common name arrowfeather threeawn. It is native to eastern North America. One of the three varieties has a distribution extending south into Honduras.
Aristida rhizomophora is a species of grass known by the common name Florida threeawn. It is endemic to Florida in the United States.
Digitaria cognata is a species of grass known by the common names fall witchgrass, Carolina crabgrass, and mountain hairgrass.
Chrysopogon aciculatus is a species of grass native to the tropics of Asia, Polynesia, and Australia at low elevations. Common names include amorseco, lesser spear grass, Mackie's pest, pilipiliula, and grama-amorosa.
Eragrostis pilosa is a species of grass. It is native to Eurasia and Africa. It may or may not be native to North America. It is widely introduced, and it is a common weed in many areas.
