| Carex phaeocephala | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Cyperaceae |
| Genus: | Carex |
| Subgenus: | Carex subg. Vignea |
| Section: | Carex sect. Ovales |
| Species: | C. phaeocephala |
| Binomial name | |
| Carex phaeocephala | |
Carex phaeocephala is a species of sedge known by the common name dunhead sedge.
This sedge is native to much of western North America, from Alaska to California to New Mexico, where it grows from foothills to high elevation habitats, including areas of alpine climate, generally in rocky soils.
Carex phaeocephala produces dense clumps of stems up to about 45 centimeters in maximum height with several narrow, channeled leaves up to about 20 centimeters long.
The dense or open inflorescence contains several spikes of flowers. Female flowers have scales which are greenish or brown-orange with narrow pale edges. The perigynium covering the fruit has a dark center and greenish margins.
Carex arcta is a species of sedge known by the common name northern cluster sedge. It is native to northern North America including most of Canada and northern parts of the United States. It grows in wet areas, especially in coniferous forests. This sedge produces dense clumps of erect stems up to about 80 centimetres (31 in) high. The leaves are pale green to grayish, flat, and have reddish or purple-dotted sheaths at the base, and they are sometimes longer than the stems. The inflorescence is a dense, oblong cluster of up to 15 spikes of pointed flowers, each cluster up to 3–4 cm (1.2–1.6 in) long and each individual spike up to 1 cm (0.39 in) long. The fruit is covered in a sac called a perigynium which is greenish and veined with a reddish tip.
Carex capitata is a species of sedge known by the common name capitate sedge. It has a circumboreal distribution including Norway, Russia, Siberia, Alaska, Canada and Greenla. Growing in wet places in boreal forests and mountain meadows in alpine climates.
Carex douglasii is a species of sedge known by the common name Douglas' sedge.
Carex filifolia is a species of sedge known by the common name threadleaf sedge.
Carex hoodii is a species of sedge known by the common name Hood's sedge. It is native to western North America from Alaska to Nunavut to California to South Dakota, where it grows in dry to moist habitat in forests and on mountain slopes.
Carex illota is a species of sedge known by the common name sheep sedge. It is native to western North America, where it grows in wet places such as marshes and mountain meadows, from New Mexico and California north to Western Canada.
Carex jonesii is a species of sedge known by the common name Jones' sedge.
Carex leporinella is a species of sedge known by the common name Sierra hare sedge.
Carex luzulina is a species of sedge known by the common name woodrush sedge.
Carex mariposana is a species of sedge known by the common name Mariposa sedge.
Carex multicaulis is a species of sedge known by the common name manystem sedge. It is native to California, western Nevada, and southern Oregon, where it grows in chaparral and open forest montane habitats.
Carex petasata is a species of sedge known by the common name Liddon sedge.
Carex praeceptorum is a species of sedge known by the common names early sedge and teacher's sedge.
Carex rossii, commonly known as Ross's sedge, is a hardy species of sedge that is often a pioneer species in areas with little or no established vegetation, or in places where disturbance has occurred. Ross's sedge grows in a variety of habitats throughout much of western North America, from Alaska to Ontario, south to New Mexico and California. It flowers in May and June.
Carex scoparia is a species of sedge known by the common names broom sedge and pointed broom sedge. It should not be confused with the unrelated grass species known as "broom sedge," Andropogon virginicus.
Carex sheldonii is a species of sedge known by the common name Sheldon's sedge.
Carex simulata is a species of sedge known by the common name analogue sedge.
Carex specifica is a species of sedge known by the common name narrowfruit sedge.
Carex straminiformis is a species of sedge known by the common name Shasta sedge.
Carex concinna is a species of sedge known by the common names low northern sedge, northern elegant sedge, beauty sedge, and beautiful sedge. It is native to northern North America, where it occurs across Canada and in high elevations in the northern contiguous United States.