Symphyotrichum laurentianum

Symphyotrichum laurentianum (formerly Aster laurentianus) is a critically imperiled^[1] species of flowering plant in the family Asteraceae endemic to the southern shores of the Gulf of St. Lawrence in Canada. Commonly known as Gulf of St. Lawrence aster, it is an annual, herbaceous plant with one stem and no ray florets that grows up to about 13 centimetres (5 inches) tall.^[3]

Symphyotrichum laurentianum
S. laurentianum in the Magdalen Islands
Conservation status
Critically Imperiled  (NatureServe)[1]
Threatened (COSEWIC)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Tribe:	Astereae
Subtribe:	Symphyotrichinae
Genus:	Symphyotrichum
Subgenus:	Symphyotrichum subg. Symphyotrichum
Section:	Symphyotrichum sect. Conyzopsis
Species:	S. laurentianum
Binomial name
Symphyotrichum laurentianum (Fernald) G.L.Nesom[2]
Native distribution[3]
Synonyms[2]
Basionym Aster laurentianus Fernald Alphabetical list Aster ciliatus subsp. laurentianus (Fernald) Govaerts Aster laurentianus var. contiguus Fernald Aster laurentianus var. magdalenensis Fernald Brachyactis ciliata subsp. laurentiana (Fernald) A.G.Jones Brachyactis laurentiana (Fernald) Botsch.