⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-73781, with some changes.
This name is a synonym of Symphyotrichum novi-belgii var. tardifolium .
The record derives from TICA which reports it as a synonym (record 50691CD7-20F4-4CBE-968E-26C88B01BEAC
) with original publication details: Naturaliste Canad. 71: 209. 1944 209 1944.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:23476-2
.