Pili grass is an herbaceous, tropical, bunching or tussock grass that is a perennial here in Hawaii. Mature clumps of erect pili are usually 2 feet or more high and have a 2 to 5 foot spread.

Major changes in the growth of red tussock, a native grass and the dominant species in the national park, were also detected. "We found a significant decline in the diameter of red tussock.

The crop is spinifex, a hardy perennial tussock grass found across more than two-thirds of Australia’s vast inland desert, which could potentially transform the production of materials such as ...