Holcus lanatus

Holcus lanatus_velvetgrass_ JM Di Tomaso
Photo courtesy Joseph DiTomaso

Common names: common velvet grass; Yorkshire fog

Holcus lanatus (common velvetgrass) is a tufted perennial grass (family Poaceae) that tolerates high levels of heavy metals in the soil and sulfur dioxide in the air. It establishes best in moist conditions and is a facultative wetland indicator.

Cal-IPC Rating: Moderate

Cal-IPC Assessment

Plant Assessment Form - Information gathered by Cal-IPC on the impacts, rate of spread, and distribution of invasive plants in California. Does not include management information.

Weed RIC Management Notes

  • Management Notes - Information on management techniques and effectiveness from the University of California Cooperative Extension’s Weed Research & Information Center.

Cal-IPC Newsletter Articles

Cal-IPC Symposium Presentations

  • Thiel, R., E. Degenstein, et al. (2011). Evaluation of control techniques for velvetgrass (Holcus lanatus) in the Kern Canyon of Sequoia National Park.
  • Hutten, M., L. Jones, et al. (2010). Herbicide control of velvet grass in Yosemite National Park. Cal-IPC 2010 Symposium. Ventura, CA, California Invasive Plant Council.
  • Johnson, B. (2010). Variable responses of a California grassland to the reintroduction of tule elk. Cal-IPC 2010 Symposium. Ventura, CA, California Invasive Plant Council
  • Corbin, J. D., M. Thomsen, et al. (2004). Out of the frying pan: Invasion of exotic perennial grasses in coastal prairies. California Invasive Plant Council Symposium 2004. Ventura, CA.
  • Clines, J., J. DiTomaso, et al. (2004). Grasses working group. California Invasive Plant Council Symposium 2004. Ventura, CA.
  • Antonio, C. D. and J. Gerlach (2003). Annual grasses: Status of biology and control. California Invasive Plant Council Symposium 2003. Kings Beach, CA.
  • Shoulders, C. (2001). Successful removal of cape ivy and recovery of riparian vegetation on two acres along Redwood Creek, Marin County: Changes in cover three years after removal. California Exotic Pest Plant Council Symposium 2001. San Diego, CA.
  • Cooper, V. K. and B. J. Moritsch (1999). Weeding the wilderness: Non-native plant management at Point Reyes National Seashore. California Exotic Pest Plant Council Symposium '99. Sacramento, CA.

Other Holcus lanatus Information

  • CalPhotos - Images of plants taken mostly in California.
  • Calflora - See the distribution of this species on Calflora's map of California.
  • CalWeedMapper - Distribution information with ability to determine regional priorities.
  • Jepson Online Interchange for California Flora - Information on taxonomy, biology, and distribution from UC Berkeley's Jepson Herbarium.
  • USDA PLANTS Database - Federal database with information on identification and distribution, and links to websites in individual states.
  • Bugwood - National database from the Center for Invasive Species and Ecosystem Health at the University of Georgia.