Panicum capillare (Witchgrass) is a species of annual grass in the family True grasses. It has a self-supporting growth form. It is associated with freshwater habitat. Hapsihirssi is native to the contiguous United States, U.S. Virgin Islands, Canada, and eastern north america. It has simple, broad leaves. It is a photoautotroph. Individuals can grow to 0.37 m.
EOL has data for 21 attributes, including: