Vascular Plants of North Carolina
Account for Alexander's Rock Aster - Eurybia avita   (Alexander) G.L. Nesom
Members of Asteraceae:
Members of Eurybia with account distribution info or public map:
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Section 6 » Order Asterales » Family Asteraceae
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Author(Alexander) G.L. Nesom
DistributionFormerly considered to occur only in the southern Mountains, reported only from two sites in Transylvania County: granitic outcrop at Toxaway Falls in 1981; granitic flatrock at Bridal Veil Falls in 1985. However, Weakley (2020) has taken the species off his NC flora, and the NCNHP database says that the specimens in NC are believed to be E. surculosa. Now considered as not present in NC.

Endemic to the Southern Appalachians of northwestern SC, southward to west-central GA.
AbundanceSpecimens are believed misidentified. The NCNHP moved the species off its Watch List (W3) in late 2022.
HabitatOpen granitic domes or flatrocks.
PhenologyFlowering and fruiting September-October.
IdentificationThe genus Eurybia has been split from Aster (now Symphyotrichum). Variation among species of each genus requires several steps in a key to split members of the two genera apart (see genus key in Weakley 2018).

These plants are about 1-2 feet tall, have linear leaves, and lavender to pinkish rays. From other Eurybia, Alexander's Rock Aster differs in having linear leaves (vs. bases essentially cordate) and the inflorescence is mostly flat-topped (vs. elongate vertically). Some specimens may key to E. paludosa, but that is a species of Coastal Plain wetlands.
Taxonomic CommentsFormerly known as Aster avitus.

Other Common Name(s)None
State RankSR [SRF]
Global RankG3
State Status
US Status
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