- williamsii
- In honor of1) Robert Statham Williams (1859–1946) United States botanist. Poa williamsii, Trisetum williamsii2) Thomas Albert Williams (1865–1900) United States botanist. Agrostis williamsii, Stipa williamsii3) Samuel Wills Williams (1812–1884) United States botanist who collected in China. Panicum williamsii4) Louis Otto Williams (1908–1991) United States botanist. Bouteloua williamsii5) Leonard Howard John Williams (1915–) British botanist. Erianthus williamsii, Saccharum williamsii
Etymological dictionary of grasses . H. Trevor Clifford, Peter D.. 2012.