The Manual on Uniform Traffic Control Devices (MUTCD) is approved by the Federal Highway Administrator. as the National Standard in accordance with Title 23 U.S. Code, Sections 109(d), 114(a), 217, 315, and 402(a), 23 CFR 655, and 49 CFR 1.48(b)(8), 1.48(b)(33), and 1.48(c)(2).
The dominant vegetation types are grassy prairie and grass steppe in which numerous species of the grass genus Stipa are particularly conspicuous. Pampas grass (Cortaderia selloana) is an iconic species of the Pampas. Vegetation typically includes perennial grasses and herbs.
Definition. Pampas grass, also known as Cortaderia selloana, is native to the moist South American grasslands, known also as the pampas. The fast-growing grass can live in almost any habitat, but it grows especially well in rich soil and mild climates.o discourage growth, cut back after the plant goes dormant. Also exercise extreme caution when pruning due to the razor-sharp edges of the leaves. Watering: Pampas grass is subject to root rot, so do not water excessively. Removal: Pampas grass is very difficult to remove: The roots grow extremely deep.