Classic texts: King's 1898.
Solidago rigida
Solidago rigida L.
Engl.: stiff goldenrod, hard-leaved goldenrod, hardleaf goldenrod, rigid goldenrod.
Bot. syn.: Aster rigidus (L.) Kuntze, Oligoneuron rigidum (L.) Small, Solidago grandiflora Raf.
The Medical Flora of Kansas: Sedum - Stylosanthes.
Classic texts: Journals: TNEMA 1882-1883.