Holcus lanatus (Yorkshire Fog) is a species of perennial grass in the family true grasses. They have a self-supporting growth form. They are native to The Hawaiian Islands and Western North America. They have simple, broad leaves and green flowers. Flowers are visited by Melanostoma mellinum, Hylemya vagans, Seedcorn maggot, and Fannia fuscula. Individuals can grow to 3.3 feet.
EOL has data for 88 attributes, including: