Ligusticum porteri

Ligusticum porteri, also known as oshá (pronounced o-SHAW), is a perennial herb found in parts of the Rocky Mountains and northern Mexico, especially in the southwestern United States.

Ligusticum porteri

Ligusticum porteri, also known as oshá (pronounced o-SHAW), is a perennial herb found in parts of the Rocky Mountains and northern Mexico, especially in the southwestern United States.