Source: California Invasive Plant Council

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Rumex acetosella (red sorrel, sheep sorrel)

Rumex acetosella
Rumex acetosella
Photo courtesy Joseph DiTomaso

Rumex acetosella (red sorrel, sheep sorrel) is a perennial forb/herb (family Polygonaceae). In California, sheep sorrel occurs in a freshwater marsh community and is common in annual grasslands, montane meadows and perennial bunchgrass communities.

Cal-IPC Inventory rating: Moderate

Cal-IPC Resources on Rumex acetosella

Cal-IPC News Articles

  • None for this species.

Cal-IPC Symposium Proceedings

  • Pickart, A. J. and K. S. Wear (1999). The ecology of Parentucellia viscosa in dune wetlands. California Exotic Pest Plant Council Symposium '99. Sacramento, CA.
  • Quinn, L., B. Davis, et al. (2006). Does horse manure harbor invasive plants? Cal-IPC Symposium. Rohnert Park, CA.

Other Resources on Rumex acetosella

  • USDA PLANTS database - Federal database with information on identification and distribution, and links to websites in individual states.
  • Jepson Online Interchange for California Flora - Information on taxonomy, biology, and distribution from the UC Berkeley Jepson Herbarium.
  • CalFlora - Distribution information by county based on submitted observations and herbarium specimens.
  • CalPhotos - Images of plants taken mostly in California.