Spiraea ariifolia f. carnea H.L.Späth form synonym

Holodiscus dumosus var. schaffneri (Rydb.) A.Heller variety synonym

Holodiscus dumosus var. australis (A.Heller) F.A.Ley variety proparte synonym

Spiraea ariifolia var. discolor (Pursh) Torr. & A.Gray variety synonym

Spiraea boursieri Carrière species synonym

Holodiscus dumosus A.Heller species proparte synonym

Sericotheca franciscana Rydb. species synonym

Holodiscus ariifolius (Sm.) Greene species synonym

Holodiscus loeseneri Dammer species synonym

Holodiscus schaffneri (Rydb.) Standl. species synonym

Holodiscus dumosus A.Heller species proparte synonym

Holodiscus franciscanus (Rydb.) Rehder species synonym

Holodiscus discolor var. dumosus (Maxim. ex J.M.Coult.) Dippel variety synonym

Spiraea dumosa Nutt. ex Hook. species heterotypic synonym

Spiraea discolor Pursh species synonym

Spiraea discolor var. dumosa S.Watson variety synonym

Sericotheca dumosa (Maxim. ex J.M.Coult.) Rydb. species synonym

Holodiscus australis A.Heller species accepted

Holodiscus saxicola A.Heller species synonym

Holodiscus ariifolia (Sm.) Howell species synonym

Holodiscus discolor (Pursh) Maxim. species accepted

Holodiscus dumosus subsp. saxicola (A.Heller) Abrams subspecies synonym

Holodiscus discolor subsp. franciscanus (Rydb.) R.L.Taylor & Mac Bryde subspecies synonym

Holodiscus boursieri (Carrière) Rehder species synonym

Holodiscus discolor var. ariifolius Asch. & Graebn. variety synonym

Spiraea ariifolia Sm. species synonym

Holodiscus discolor var. delnortensis F.A.Ley variety synonym

Sericotheca discolor (Pursh) Rydb. species synonym

Holodiscus fissus (Lindl.) C.K.Schneid. species accepted

Holodiscus pachydiscus (Rydb.) Standl. species accepted

Sericotheca pachydisca Rydb. species synonym

Holodiscus argenteus (L.fil.) Maxim. species accepted

Holodiscus argenteus var. typicus Ley variety synonym

Sericotheca argentea (L.fil.) Rydb. species synonym

Schizonotus discolor var. discolor variety synonym

Holodiscus dumosus var. dumosus variety synonym

Holodiscus argenteus var. bifrons Focke variety synonym

Spiraea argentea L.fil. species synonym

Sericotheca argentea (L.f.) Raf. ex B.D.Jacks. species synonym

Holodiscus discolor var. ariifolius (Sm.) Jeps. variety synonym

Sericotheca franciscana Rehder species doubtful

Sericotheca argentea (L.fil.) Raf. species synonym

Schizonotus discolor (Pursh) Koehne species synonym

Holodiscus orizabae F.A.Ley species accepted

Schizonotus argenteus (L.fil.) Kuntze species synonym

Schizonotus argenteus var. mexicanus (Schiede ex Regel) Kuntze variety synonym

Schizonotus argenteus var. griseus Kuntze variety synonym

Schizonotus argenteus var. fissus (Lindl.) Kuntze variety synonym

Schizonotus argenteus var. angustissimus Kuntze variety synonym

Schizonotus argenteus var. intermedius Kuntze variety synonym

Schizonotus argenteus var. mutisianus Kuntze variety synonym

Schizonotus discolor (Pursh) Raf. species synonym

Schizonotus discolor var. fissus (Lindl.) Rehder variety synonym

Schizonotus dumosus (Maxim. ex J.M.Coult.) Koehne species synonym

Schizonotus discolor var. dumosus (Maxim. ex J.M.Coult.) Rehder variety synonym

Schizonotus argenteus var. dumosus (Maxim. ex J.M.Coult.) Kuntze variety synonym

Schizonotus discolor var. purshianus Rehder variety synonym

Schizonotus ariifolius (Sm.) Greene species synonym

Schizonotus discolor var. ariifolius (Sm.) Koehne variety synonym

Schizonotus argenteus var. discolor (Pursh) Kuntze variety synonym

Holodiscus discolor var. franciscanus (Rydb.) Jeps. variety synonym

Spiraea dumosa Nutt. ex Torr. species synonym

Spiraea discolor var. ariifolia (Sm.) S.Watson variety synonym

Schizonotus argenteus var. ariifolius (Sm.) Kuntze variety synonym

Holodiscus fissus var. mexicanus (Schiede ex Regel) Lis variety synonym

Sericotheca boursieri (Carrière) Rydb. species synonym

Sericotheca fissa (Lindl.) Rydb. species synonym

Sericotheca obovata Rydb. species synonym

Sericotheca saxicola (A.Heller) Rydb. species synonym

Sericotheca schaffneri Rydb. species synonym

Sericotheca concolor Rydb. species synonym

Spiraea fissa Lindl. species synonym

Spiraea dumosa Nutt. species heterotypic synonym

Spiraea ariaefolia Sm. species synonym

Spiraea argentea Benth. species heterotypic synonym

Holodiscus dumosus (Maxim. ex J.M.Coult.) C.K.Schneid. species heterotypic synonym

Holodiscus discolor var. dumosus Maxim. ex J.M.Coult. variety synonym

Spiraea mexicana Schiede ex Regel species synonym

Holodiscus discolor subsp. franciscanus (Rydb.) A.E.Murray subspecies synonym

Holodiscus dumosus var. australis (A.Heller) F.A.Ley variety proparte synonym

Holodiscus glabrescens var. dumosus (Nutt.) Maxim. ex Coult. variety heterotypic synonym

Spiraea discolor Torr. species synonym

Holodiscus discolor var. ariaefolius (Sm.) Asch. & Graebn. variety synonym

Holodiscus glabrescens var. dumosus (Nutt.) Maxim. variety homotypic synonym

Holodiscus discolor var. dumosus Maxim. variety homotypic synonym

Thecanisia discolor (W.D.J.Koch) Raf. species proparte synonym

Holodiscus elliptica Axelrod, 1939 species accepted