• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Seed Study - Oligoneuron rigidum

Species: Oligoneuron rigidum
Common name: stiff goldenrod


Oligoneuron rigidum – stiff goldenrod
Average number of good seeds per gram bulk matter: 627
Average number of good seeds per gram cleaned: n.m.
Commercial estimates of seeds per gram: 1632
Percent seed: 57.6
Percent live: n.m.
Collection dates: September 25
Collection effort: 67 grams in 1 person hour
Collection notes: Easy to collect large amounts in short amount of time
Cleaning notes: Bulk measurement was as it comes off the plant, often with involucres and bracts.

Did You Know?

A picture of Alvin McDonald in his caving hat.

Alvin McDonald was the first systematic explorer of Wind Cave. He explored the cave from 1890 until his death in 1893. More...