[Sedges: The Genus Carex West of the Cascade Mountains of Oregon and Washington]

A female spike of serpentine sedge as seen at Star Flat near the Illinois River in southwestern Oregon........April 5, 2009. This species typically have male only female or male inflorescences, although both spikes may occasionally be found on the same inflorescence. (Many thanks to the late Norm Jensen who helped me find this cool species!)

A male spike of serpentine sedge (left) and female spke (right) as seen at Star Flat near the Illinois River in southwestern Oregon........April 5, 2009.

Male plants of serpentine sedge as seen at the Days Gulch Botanical Area near the Illinois River in southwestern Oregon........April 29, 2012.

Serpentine sedge as seen at the Days Gulch Botanical Area near the Illinois River in southwestern Oregon........April 21, 2021. The uppermost and lower two photos at left and center are female plants. The plant at lower right is a male plant.

The female spike of serpentine sedge as seen at Star Flat near the Illinois River in southwestern Oregon........April 5, 2009.