⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Spiraea helleri in version 1.1 of The Plant List.
This name is unresolved.
The record derives from Tropicos which does not establish this name either as an accepted name or as a synonym (record 27801797
) with original publication details: N. Amer. Fl. 22(3): 248 248 1908.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:242416-2
.
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