Molinia caerulea, known by the common name purple moor-grass, is a species of grass that is native to Europe, west Asia, and north Africa. It grows in locations from the lowlands up to 2,300 m (7,546 ft) in the Alps. Like most grasses, it grows best in acid soils, ideally pH values of between 3.5 and 5, however, it can continue to live under more extreme conditions, sometimes to as low as 2. It is common on moist heathland, bogs and moorland throughout Britain and Ireland. Introduced populations exist in northeastern and northwestern North America.
Distichlis spicata is a species of grass known by several common names, including seashore saltgrass, inland saltgrass, and desert saltgrass. This grass is native to the Americas, where it is widespread. It can be found on other continents as well, where it is naturalized. It is extremely salt tolerant.
Hydrocotyle vulgaris, the marsh pennywort, common pennywort, water naval, money plant, lucky plant or copper coin, is a small creeping aquatic perennial plant native to North Africa, Europe, the Caucasus and parts of the Levant.
Andropogon glomeratus is a species of grass known by the common names bushy bluestem and bushy beardgrass. This bunchgrass is native to the Americas, where it is widespread. It has also naturalized in other areas.
Crypsis is an African and Eurasian plant in the grass family sometimes referred to as pricklegrass.
Eragrostis hypnoides is a species of grass known by the common name teal lovegrass. It is native to the Americas from Canada to Argentina. It is found in moist areas near water in substrates of sand or mud.
Aira praecox is a species of grass known by several common names, including early hair-grass, yellow hairgrass and spike hairgrass. It is native to Europe, where it is found in dry, sandy places, on rocky outcrops, and in heath grassland. It also grows in North America as an introduced species, where it can be found on the east and west coasts in sandy or rocky areas, such as beaches and roadsides. This is a tuft-forming annual grass growing up to about 25 centimeters in maximum height. The thin, narrow leaves are located at the base of the stem, and are typically 0.3–2 millimeters wide. It bears very small inflorescences of purple-tinted green bisexual spikelets.
Aristida oligantha is a species of grass known by the common names prairie threeawn and oldfield threeawn.
Cinna latifolia is a species of grass known by the common name drooping woodreed. It is a native bunchgrass to the Northern Hemisphere, where it has a circumboreal distribution. It grows in moist habitat, such as forest understory and riverbanks. It reaches nearly two meters in maximum height. The inflorescence is an open array of spikelets generally green to purple-tinted in color. It flowers in late summer and fall.
Crypsis alopecuroides is a species of grass known by the common name foxtail pricklegrass. It is native to Europe, the Middle East, and North Africa. It is also known in the western United States as a common and widespread introduced species, especially in sandy areas around water, such as lakesides. It has also been collected at shipping points near Philadelphia but has not been seen there in about a century. This is an annual grass producing mostly upright and unbranching stems, often dark in color, up to about 75 centimeters in maximum height. The green leaves are up to 12 centimeters long, sometimes waxy in texture. The inflorescence is a dense cylindrical panicle of tiny green to purple spikelets.
Crypsis vaginiflora is a species of grass known by the common name modest pricklegrass. It is native to North Africa but it can be found in other parts of the world as an introduced species, including the western United States, particularly California, where it is common in wet habitat such as vernal pools. It is an annual grass forming mats of green, prostrate stems not generally exceeding 30 centimeters long. The stems are enveloped in the sheaths of the leaves, the small blades of which break off. The inflorescence is a dense panicle usually no more than 1.5 centimeters long tucked into the sheaths of the uppermost leaves.
Melica bulbosa is a species of grass known by the common name oniongrass. The common name comes from the onionlike appearance of the corm at its root; it is not related to the onions. It is native to western North America from British Columbia to the Rocky Mountains to California. It may or may not occur as far east as Texas.
Melica californica is a species of grass known by the common name California melic.
Melica geyeri is a species of grass known by the common name Geyer's oniongrass.
Melica imperfecta is a species of grass known by the common name smallflower melic and little California melic.
Melica spectabilis is a species of grass known by the common names purple oniongrass and showy oniongrass.
Poa leptocoma is a species of grass known by the common names marsh bluegrass and western bog bluegrass.
Sporobolus vaginiflorus is a species of grass known by the common names poverty grass, poverty dropseed, and sheathed dropseed.
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.
Baumea acuta, commonly known as pale twig-rush, is a flowering plant in the sedge family, Cyperaceae, that is native to southern parts of Australia.
