Sporobolus michauxianus is a species of cordgrass known as prairie cordgrass, freshwater cordgrass, tall marshgrass, and sloughgrass. It is native to much of North America, including central and eastern Canada and most of the contiguous United States except for the southwestern and southeastern regions. Its distribution extends into Mexico. It is also present on other continents as an introduced species.
Puccinellia howellii is a rare species of grass known by the common name Howell's alkaligrass. It is endemic to Shasta County, California, where it is known from a single population in Whiskeytown National Recreation Area near Whiskeytown. Its entire population is contained in a 1-acre (4,000 m2) complex of three saline mineral springs directly next to Highway 299. The grass was first described to science in 1990 and no other populations were discovered despite extensive searches of the area.
Pyrrocoma lanceolata is a species of flowering plant in the family Asteraceae known by the common name lanceleaf goldenweed. It is native to western North America from central Canada to northeastern California to Colorado, where it grows in many types of habitat, including disturbed places and areas with wet, alkali soils. It is a widespread and variable plant. It is a perennial herb growing one or more stems up to about half a meter long. The stems are decumbent or upright, reddish, usually somewhat hairy to quite woolly, and glandular toward the ends of the stems. The largest leaves are at the base of the plant, each measuring up to 30 centimeters in maximum length. They are generally lance-shaped with sawtoothed edges. The inflorescence bears several, up to 50, flower heads lined with reddish to green phyllaries. Each contains yellow disc florets and ray florets. The fruit is an achene up to a centimeter long including its pappus.
Selaginella wallacei is a species of spikemoss known by the common name Wallace's spikemoss. It is native to western North America from British Columbia to California to Montana, where it can be found in many types of habitat, including open and shaded areas, and wet to dry environments, often growing on and over rocks. This lycophyte is variable in appearance, its form depending on the habitat it grows in. It can be spreading with many narrow branches, or a small, dense mat. The forking stems grow up to about 25 centimeters long, but may remain much shorter in dry conditions. They are lined with linear, lance-shaped, or oblong leaves up to 4 millimeters long including the bristles at the tips. The strobili containing the reproductive structures may be quite long, reaching up to 9 centimeters.
Sisyrinchium funereum is an uncommon species of flowering plant in the family Iridaceae known by the common names Funeral Mountain blue-eyed grass and Death Valley blue-eyed-grass. It is endemic to the Mojave Desert of the United States, where it is known only from the Funeral Mountains and Death Valley area in eastern California, and the Ash Meadows area just over the border in Nevada. It grows in wet, highly alkaline habitat, such as seeps and mineral springs.
Sporobolus montevidensis is a species of grass known by the common name denseflower cordgrass. Although reclassified after a taxonomic revision in 2014, it may still be referred to as Spartina densiflora by some users. It is native to the coastline of southern South America, where it is a resident of salt marshes. It is also known on the west coast of the North America and parts of the Mediterranean coast as an introduced species and in some areas a noxious weed. In California it is a troublesome invasive species of marshes in San Francisco Bay and in Humboldt Bay, where it was introduced during the 19th century from Chile in ballast.
Sporobolus foliosus is a species of grass known by the common name California cordgrass. It was reclassified from Spartina foliosa after a taxonomic revision in 2014. It is native to the salt marshes and mudflats of coastal California and Baja California, especially San Francisco Bay. It is a perennial grass growing from short rhizomes. It produces single stems or clumps of thick, fleshy stems that grow up to 1.5 meters tall. They are green or purple-tinged. The long, narrow leaves are flat or rolled inward. The inflorescence is a narrow, dense, spike-like stick of branches appressed together, the unit reaching up to 25 centimeters long. The lower spikelets are sometimes enclosed in the basal sheaths of upper leaves.
Sporobolus hookerianus is a species of grass known by the common name alkali cordgrass.
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.
Sporobolus pumilus, the saltmeadow cordgrass, also known as salt hay, is a species of cordgrass native to the Atlantic coast of the Americas, from Newfoundland south along the eastern United States to the Caribbean and north-eastern Mexico. It was reclassified after a taxonomic revision in 2014, but the older name, Spartina patens, may still be found in use. It can be found in marshlands in other areas of the world as an introduced species and often a harmful noxious weed or invasive species.
Spiranthes delitescens is a rare species of orchid known by the common names reclusive lady's tresses, Canelo Hills lady's tresses, and Madrean lady's tresses. It is native to Arizona in the United States, where there are only four occurrences. It is threatened by the loss and degradation of its habitat. It is a federally listed endangered species of the United States.
Amphicarpum muehlenbergianum is a species of grass known by the common names blue maidencane, Muhlenberg maidencane, and goobergrass. It is native to the southeastern United States.
Aristida rhizomophora is a species of grass known by the common name Florida threeawn. It is endemic to Florida in the United States.
Panicum amarum is a species of grass known by the common name bitter panicum. It is native to North America, where it is found in coastal regions along the East Coast and Gulf Coast of the United States and into northeastern Mexico. It also occurs in The Bahamas and in Cuba.
Panicum anceps is a species of grass known by the common name beaked panicgrass. It is native to the southeastern United States, where it occurs as far north as New Jersey and as far west as Kansas and Texas.
Paspalum floridanum is a species of grass known by the common name Florida paspalum. It is native to the eastern United States.
Setaria parviflora is a species of grass known by the common names marsh bristlegrass, knotroot bristle-grass, bristly foxtail and yellow bristlegrass. It is native to North America, including Mexico and the United States from California to the East Coast, Central America and the West Indies, and South America.
Sporobolus bakeri is a species of grass known by the common names sand cordgrass and bunch cordgrass. It is native to the south-eastern United States, where it grows along the coast and in inland freshwater habitat in Florida.
Sporobolus cynosuroides is a species of grass known by the common names big cordgrass and salt reedgrass. It is native to the East Coast and Gulf Coast of the United States, where it grows in coastal habitat such as marshes, lagoons, and bays.
Eragrostis pilosa is a species of grass in the family Poaceae. 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.
