![]() Phalaris arundinacea (reed canary grass) differs from Harding grass in having more distinct rhizomes, and an inflorescence that is compact at first but becomes more open as the branches spread. It is slow to develop from seed, but can form large bunches after several years. Flowering heads are dense, spike-like, and usually 2 to 5 inches (50 to 125 mm) long. It is an erect, waist-high, stout perennial bunch grass, with grayish to bluish green leaves. Europe & Caucasus native, Description, Geography: Phalaris aquatica, known by the common names bulbous canary-grass and Harding grass, is a species of grass in the genus Phalaris of the family Poaceae. ![]() Tall stands of its dry foliage can present a fire hazard in summer.Ĭal-IPC Rating: Moderate ( contributed by Mary Ann Machi) ![]() In wildland habitats, hardinggrass can out-compete and displace native plant species. Hardinggrass is typically found along roadsides that are seldom mowed, allowing this tall, erect, leafy plant to dominate neighboring vegetation. It is also found in the Sacramento and San Joaquin valleys at elevations below 4,000 feet (1,200 m). It is most common in coastal valley and foothill grasslands from Oregon to the Mexican border. Hardinggrass is widespread in California because it has been used as a forage species and for revegetating after fires. Invasive rating: Phalaris aquatica (hardinggrass) is a perennial grass (family Poaceae) found throughout California. ![]()
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