You selected Spiraea chamaedryfolia var. flexuosa (Fisch. ex Cambess.) Maxim. This is a synonym for:

Accepted scientific name:
Spiraea chamaedryfolia L. (accepted name) 1 literature reference for Spiraea chamaedryfolia L.
Synonyms: -
Infraspecific taxon: Spiraea chamaedryfolia subsp. chamaedryfolia
Spiraea chamaedryfolia var. chamaedryifolia
Spiraea chamaedryfolia var. crataegifolia Zabel
Spiraea chamaedryfolia subsp. crenifolia (C.A.Mey.) Nyman
Spiraea chamaedryfolia var. flexuosa auct.
Spiraea chamaedryfolia var. flexuosa (Fisch. ex Cambess.) Zabel
Spiraea chamaedryfolia var. flexuosa (Fisch. ex Cambess.) Maxim.
Spiraea chamaedryfolia var. media (Schmidt) Fiori
Spiraea chamaedryfolia var. media Pursh
Spiraea chamaedryfolia subsp. oblongifolia (Waldst. & Kit.) Nyman
Spiraea chamaedryfolia var. pilosa (Nakai) H.Hara
Spiraea chamaedryfolia var. pubescens H.Hara
Spiraea chamaedryfolia var. stenophylla Zabel
Spiraea chamaedryfolia var. transiens Zabel
Spiraea chamaedryfolia var. typica Fiori
Spiraea chamaedryfolia subsp. ulmifolia (Scop.) J.Duvign.
Spiraea chamaedryfolia var. ulmifolia (Scop.) Fiori
Spiraea chamaedryfolia var. ulmifolia (Scop.) C.K.Schneid.
Spiraea chamaedryfolia var. ulmifolia (Scop.) Maxim.
Spiraea chamaedryfolia var. ulmifolia Koidz.
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Rosales
Family Rosaceae
Genus Spiraea
Distribution: -
Additional data: -
Source database: IOPI-GPC, 10.0, Aug 2007
Latest taxonomic scrutiny: R. Pankhurst, 2009
Online resource: -
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:2b1c6370-60a7-102d-be47-00304854f810:ac2010