I recently discovered that my musella lasiocarpa produced seeds so I wanted to offer them to you all on the board. When the multiple flowers appeared, I hand pollinated them. Being an amateur, I didn't know if I actually pollinated them correctly. Later in the fall, I pulled off a couple little brown bananas under the flower petals. They didn't have any seeds. I decided to check one more time last week, and I found the small, almost dried bananas did indeed have seeds! They are very shiny black and plump. A few of the bananas actually opened up exposing the seeds.
I have the m. lasiocarpa outside mulched well with leaves. Our low has been 17 degrees this year, but the seeds and plant were warmer with the mulch. I'd estimate in the mid 20's. These seeds have been cold stratified naturally outside and should be ready to germinate. I just started some seeds on a heat mat last week. No sprouts yet, of course.
If you'd like to give some rare musella lasiocarpa seeds a try, please send me a message. I have a limited number of seeds so first come, first serve. I plan to send about 10 seeds to people who want them. They are from the plant below. It's pretty rare to have a total of 7 flowers on one musella plant so maybe there's something special about this one. (The 7th bloom is on the other side of the plant which is not in the picture.) I've looked all over the internet and couldn't find a musella with more than two flowers.

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Austin
Arkansas River Valley

Average January Low: 31°F, Average August High: 92°F
Typical Low Each Winter: 13-15°F, Annual Precipitation: 52 inches