Steve Hurst @ USDA-NRCS PLANTS Database [1] |
J.S. Peterson @ USDA-NRCS PLANTS Database [1] |
Matthew L. Wagner [3] |
Elizabeth Parnis [3] |
[1] |
Notes:
Flowering dates: April through June
Fruit ripening dates: July through October
References:
- Species profile at USDA Plants Database
- Michigan Flora online species profile
- University of Wisconsin-Steven Point Robert. W. Freckmann herbarium species profile
- Ladybird Johnson Wildflower Center species profile
(Numbers in photo captions are photo credits, listed in the "Photo Credits" tab at the top of the page)