• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

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  • Trail Closure Information

    The Highland Creek Trail is closed. Backcountry Zones 1 and 2 are closed to all off-trail travel and use. The Sanctuary and Centennial Trails remain open to through traffic.

  • Temporary Road Closure Information

    Oct. 18 & 19: NPS 5 and 6 are closed for the entire weekend. Monday, Oct. 20, through Wednesday, Oct. 22, NPS 5 will be closed from Highway 87 to NPS 6. Highway 87 will be closed from Road 342 (Beaver Creek Road) north to the park boundary.

Seed Study - Artemisia frigida

Artemisia frigida - Fringed Sagewort, Prairie Sagewort

Artemisia frigida - Fringed Sagewort, Prairie Sagewort

NPS Photo

Species: Artemisia frigida
Common name: fringed sagewort, prairie sagewort

Seedling Identification: First leaves are tri-lobed, gray green with pubescence. Leaves crushed smell like sage. Just emerged seedlings are easy to confuse with Achillea millifolium.

 

Artemisia frigida – fringed sagewort
Average number of good seeds per gram bulk matter: 4117 (2143)
Average number of good seeds per gram cleaned: n.m.
Commercial estimates of seeds per gram: 8820
Percent seed: n.m.
Percent live: 72
Collection dates: November 8
Collection effort: 12.8 grams in 1 person hour
Collection notes: Abundant and easy to collect.
Cleaning notes: Prior to measuring “unclean” seed, the inflorescences were rubbed between the hands and what fell through a fine sieve was counted. However there still was lots of chaff mixed with the seed.

Did You Know?

Bull elk in the park.

A Rocky Mountain bull elk weighs between 700 - 800 pounds. Rocky Mountain elk were introduced to the park in 1914 and 1916. More...