Carex douglasii was created in 1839.
Cirsium douglasii was created in 1838.
Eriogonum douglasii was created in 1856.
Solanum douglasii was created in 1852.
Carex umbrosa was created in 1801.
Carex disperma was created in 1820.
Carex neurophora was created in 1923.
Carex heteroneura was created in 1880.
Carex pellita was created in 1805.
Carex simulata was created in 1908.
Carex illota was created in 1889.
Carex mariposana was created in 1917.
Carex pachystachya was created in 1855.