^As of September 2021[update], NatureServe's latest global status review for this species was dated 25 November 1994 with a notation that "Global status needs review."[1]
Brouillet, L.; Semple, J.C.; Allen, G.A.; Chambers, K.L.; Sundberg, S.D. (2006). "Symphyotrichum retroflexum". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 20. New York and Oxford: Oxford University Press. Retrieved 8 July 2021 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
NatureServe (3 September 2021). "Symphyotrichum retroflexum Rigid Whitetop American-aster". NatureServe Explorer (explorer.natureserve.org). Arlington, Virginia: NatureServe. Retrieved 8 September 2021.
POWO (2019). "Symphyotrichum retroflexum (Lindl.) G.L.Nesom". Plants of the World Online (www.plantsoftheworldonline.org). Royal Botanic Gardens, Kew. Retrieved 8 July 2021.
Semple, J.C. (6 May 2021). "Symphyotrichum retroflexum — Rigid Whitetop Aster". www.uwaterloo.ca. Ontario. from the original on 8 September 2021. Retrieved 8 September 2021.
USDA, NRCS (2014). "Symphyotrichum retroflexum". USDA PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 8 September 2021.
This Astereae article is a stub. You can help Wikipedia by expanding it.
symphyotrichum, retroflexum, formerly, aster, retroflexus, species, flowering, plant, family, asteraceae, native, southeastern, united, states, commonly, known, rigid, whitetop, aster, perennial, herbaceous, plant, that, reach, centimeters, inches, tall, flowe. Symphyotrichum retroflexum formerly Aster retroflexus is a species of flowering plant in the family Asteraceae native to the southeastern United States Commonly known as rigid whitetop aster it is a perennial herbaceous plant that may reach 40 to 100 centimeters 16 to 39 inches tall Its flowers have blue to purple ray florets and cream to pale yellow then pinkish disk florets It is known only from the Blue Ridge Mountains in Alabama Georgia North Carolina South Carolina Tennessee and Virginia where it grows in wooded areas at elevations of 400 1 500 meters 1 300 4 900 feet 5 As of September 2021 update NatureServe classified it as Apparently Secure G4 it had been reviewed last in 1994 and is marked as needs review 1 There is an introduced presence of S retroflexum in southeast China 2 Symphyotrichum retroflexumS retroflexum Macon County North CarolinaConservation statusApparently Secure NatureServe a 1 Scientific classificationKingdom PlantaeClade TracheophytesClade AngiospermsClade EudicotsClade AsteridsOrder AsteralesFamily AsteraceaeTribe AstereaeSubtribe SymphyotrichinaeGenus SymphyotrichumSubgenus Symphyotrichum subg SymphyotrichumSection Symphyotrichum sect SymphyotrichumSpecies S retroflexumBinomial nameSymphyotrichum retroflexum Lindl G L Nesom 2 Native distribution 3 4 Synonyms 2 Aster curtisii Torr amp A Gray Aster retroflexus Lindl S retroflexum herbarium specimenNotes edit As of September 2021 update NatureServe s latest global status review for this species was dated 25 November 1994 with a notation that Global status needs review 1 Citations edit a b c NatureServe 2021 a b c POWO 2019 USDA 2014 Semple 2021 Brouillet et al 2006 References editBrouillet L Semple J C Allen G A Chambers K L Sundberg S D 2006 Symphyotrichum retroflexum In Flora of North America Editorial Committee ed Flora of North America North of Mexico FNA Vol 20 New York and Oxford Oxford University Press Retrieved 8 July 2021 via eFloras org Missouri Botanical Garden St Louis MO amp Harvard University Herbaria Cambridge MA NatureServe 3 September 2021 Symphyotrichum retroflexum Rigid Whitetop American aster NatureServe Explorer explorer natureserve org Arlington Virginia NatureServe Retrieved 8 September 2021 POWO 2019 Symphyotrichum retroflexum Lindl G L Nesom Plants of the World Online www plantsoftheworldonline org Royal Botanic Gardens Kew Retrieved 8 July 2021 Semple J C 6 May 2021 Symphyotrichum retroflexum Rigid Whitetop Aster www uwaterloo ca Ontario Archived from the original on 8 September 2021 Retrieved 8 September 2021 USDA NRCS 2014 Symphyotrichum retroflexum USDA PLANTS Database plants usda gov Greensboro North Carolina National Plant Data Team Retrieved 8 September 2021 nbsp This Astereae article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Symphyotrichum retroflexum amp oldid 1139865030, wikipedia, wiki, book, books, library,
