Indexed material was propagated by the State Botanical Garden of Georgia from the last known population of Silene regia in the state of Georgia. Plants were reintroduced back to their source population to bolster or augment the population which was down to 13 individuals. SBG planted 72 individuals in 2004. In 2008, 30 individuals were planted in a safeguarding site at a State Park within the original range of the species.
Midwestern endemic of tallgrass prairie habitats, now with relatively few, scattered populations coupled with continued destruction of habitat. Apparently most abundant in Missouri; extirpated from Kansas and Tennessee, and considered quite rare in all other states in range. Many remaining population remnants are along roadsides where vulnerable to construction or to changes in management of roadside vegetation.
Overgrowth by woody species
Casual picking of the flowers
Digging by wildflower gardeners
Spreading of non-native Smooth Brome (Bromus inermis)
Conversion of its habitat to farmland
Massive habitat destruction
Unknown, but this species appears to do well in restorations.
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