Guide to the Vascular Flora of the Savannas and Flatwoods of Shaken Creek Preserve and Vicinity (Pender & Onslow Counties, North Carolina, U. S. A.) Thornhill, Robert Krings, Alexander Lindbo, David Stucky, Jon Biodiversity Data Journal 2014 2 1099 1099 (Walter) Britton, Sterns & Poggenb. Magnoliopsida Asteraceae Arnica CoL Plantae Arnica acaulis Asterales 0 1099 Tracheophyta species acaulis  Distribution Pine savannas, sandhills, sandy woodlands, and disturbed areas.  Notes Late Mar-earlyJun. Reported from Sandy Run [Neck] by LeBlond and Weakley (1991), but no specimens have been seen in Shaken Creek Preserve by the senior author. [= RAB, FNA, Weakley]