| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| SAAIN2 | Saxifraga aizoon Jacq. var. neogaea Butters | Saxifraga paniculata ssp. neogaea | Saxifragaceae
|
| SAAL6 | Saxifraga aleutica Hult�n | Aleutian saxifrage | Saxifragaceae
|
| SAAM13 | Saxifraga amplexifolia Sternb. | Leptarrhena pyrolifolia | Saxifragaceae
|
| SAAP4 | Saxifraga apetala Piper | western swamp saxifrage | Saxifragaceae
|
| SAAP3 | Saxifraga aprica Greene | Sierra saxifrage | Saxifragaceae
|
| SAAR13 | Saxifraga arguta auct. non D. Don | Saxifraga odontoloma | Saxifragaceae
|
| SAAU6 | Saxifraga austrina (A. Nels.) A. Nels. | Saxifraga rhomboidea | Saxifragaceae
|
| SAAU7 | Saxifraga austromontana Wieg. | Saxifraga bronchialis ssp. austromontana | Saxifragaceae
|
| SABR5 | Saxifraga bracteata D. Don | Saxifraga sibirica | Saxifragaceae
|
| SABRA5 | Saxifraga bracteosa Suksdorf var. angustifolia Suksdorf | Saxifraga integrifolia | Saxifragaceae
|
| SABRM2 | Saxifraga bracteosa Suksdorf var. micropetala Suksdorf | Saxifraga nidifica var. nidifica | Saxifragaceae
|
| SABR14 | Saxifraga bracteosa Suksdorf | Saxifraga integrifolia | Saxifragaceae
|
| SABRA2 | Saxifraga bronchialis L. ssp. austromontana (Wieg.) Piper | matted saxifrage | Saxifragaceae
|
| SABRC | Saxifraga bronchialis L. ssp. cherlerioides (D. Don) Hult�n | yellowdot saxifrage | Saxifragaceae
|
| SABRC4 | Saxifraga bronchialis L. ssp. codyanus (Zhmylev) Cody | yellowdot saxifrage | Saxifragaceae
|
| SABRF | Saxifraga bronchialis L. ssp. funstonii (Small) Hult�n | Funston's saxifrage | Saxifragaceae
|
| SABRV2 | Saxifraga bronchialis L. ssp. vespertina (Small) Piper | yellowdot saxifrage | Saxifragaceae
|
| SABRA | Saxifraga bronchialis L. var. austromontana (Wieg.) Piper ex G.N. Jones | Saxifraga bronchialis ssp. austromontana | Saxifragaceae
|
| SABRC2 | Saxifraga bronchialis L. var. cherlerioides (D. Don) Engl. | Saxifraga bronchialis ssp. cherlerioides | Saxifragaceae
|
| SABRP3 | Saxifraga bronchialis L. var. purpureomaculata Hult�n | Saxifraga bronchialis ssp. funstonii | Saxifragaceae
|
| SABRV | Saxifraga bronchialis L. var. vespertina (Small) Rosendahl | Saxifraga bronchialis ssp. vespertina | Saxifragaceae
|
| SABR6 | Saxifraga bronchialis L. | yellowdot saxifrage | Saxifragaceae
|
| SABRB3 | Saxifraga bryophora Gray var. bryophora | bud saxifrage | Saxifragaceae
|
| SABRT | Saxifraga bryophora Gray var. tobiasiae J. Grimes & Packard | Tobias' saxifrage | Saxifragaceae
|
| SABR7 | Saxifraga bryophora Gray | bud saxifrage | Saxifragaceae
|
| SACAC4 | Saxifraga caespitosa L. ssp. caespitosa | tufted alpine saxifrage | Saxifragaceae
|
| SACAD2 | Saxifraga caespitosa L. ssp. delicatula (Small) Porsild | tufted alpine saxifrage | Saxifragaceae
|
| SACAE2 | Saxifraga caespitosa L. ssp. eucaespitosa Engl. & Irmsch. | Saxifraga caespitosa ssp. caespitosa | Saxifragaceae
|
| SACAM2 | Saxifraga caespitosa L. ssp. monticola (Small) Porsild | tufted alpine saxifrage | Saxifragaceae
|
| SACAS4 | Saxifraga caespitosa L. ssp. sileneflora (Sternb. ex Cham.) Hult�n | tufted alpine saxifrage | Saxifragaceae
|
| SACAS5 | Saxifraga caespitosa L. ssp. subgemmifera Engl. & Irmsch. | tufted alpine saxifrage | Saxifragaceae
|
| SACAU3 | Saxifraga caespitosa L. ssp. uniflora (R. Br.) Porsild | tufted alpine saxifrage | Saxifragaceae
|
| SACAE | Saxifraga caespitosa L. var. emarginata (Small) Rosendahl | Saxifraga caespitosa ssp. caespitosa | Saxifragaceae
|
| SACAL4 | Saxifraga caespitosa L. var. lemmonii Engl. & Irmsch. | Saxifraga caespitosa ssp. caespitosa | Saxifragaceae
|
| SACAM3 | Saxifraga caespitosa L. var. minima Blank. | Saxifraga caespitosa ssp. monticola | Saxifragaceae
|
| SACAS3 | Saxifraga caespitosa L. var. subgemmifera (Engl. & Irmsch.) C.L. Hitchc. | Saxifraga caespitosa ssp. subgemmifera | Saxifragaceae
|
| SACA50 | Saxifraga caespitosa L. | tufted alpine saxifrage | Saxifragaceae
|
| SACA18 | Saxifraga californica Greene | California saxifrage | Saxifragaceae
|
| SACAU2 | Saxifraga calycina Sternb. ssp. unalaschcensis (Sternb.) Hult�n | Leptarrhena pyrolifolia | Saxifragaceae
|
| SACA19 | Saxifraga careyana Gray | golden eye saxifrage | Saxifragaceae
|
| SACA20 | Saxifraga caroliniana Gray | Carolina saxifrage | Saxifragaceae
|
| SACEE4 | Saxifraga cernua L. var. exilioides Polunin | Saxifraga cernua | Saxifragaceae
|
| SACE2 | Saxifraga cernua L. | nodding saxifrage | Saxifragaceae
|
| SACEC2 | Saxifraga cespitosa L. ssp. cespitosa L. [orthographic variant] | Saxifraga caespitosa ssp. caespitosa | Saxifragaceae
|
| SACED | Saxifraga cespitosa L. ssp. delicatula (Small) Porsild [orthographic variant] | Saxifraga caespitosa ssp. delicatula | Saxifragaceae
|
| SACEE5 | Saxifraga cespitosa L. ssp. eucaespitosa Engl. & Irmsch. [orthographic variant] | Saxifraga caespitosa ssp. caespitosa | Saxifragaceae
|
| SACEM2 | Saxifraga cespitosa L. ssp. monticola (Small) Porsild [orthographic variant] | Saxifraga caespitosa ssp. monticola | Saxifragaceae
|
| SACES2 | Saxifraga cespitosa L. ssp. sileneflora (Sternb. ex Cham.) Hult�n [orthographic variant] | Saxifraga caespitosa ssp. sileneflora | Saxifragaceae
|
| SACES3 | Saxifraga cespitosa L. ssp. subgemmifera Engl. & Irmsch. [orthographic variant] | Saxifraga caespitosa ssp. subgemmifera | Saxifragaceae
|
| SACEU | Saxifraga cespitosa L. ssp. uniflora (R. Br.) Porsild [orthographic variant] | Saxifraga caespitosa ssp. uniflora | Saxifragaceae
|
| SACEL | Saxifraga cespitosa L. var. lemmonii Engl. & Irmsch. [orthographic variant] | Saxifraga caespitosa ssp. caespitosa | Saxifragaceae
|
| SACEM | Saxifraga cespitosa L. var. minima Blank. [orthographic variant] | Saxifraga caespitosa ssp. monticola | Saxifragaceae
|
| SACES | Saxifraga cespitosa L. var. subgemmifera (Engl. & Irmsch.) C.L. Hitchc. [orthographic variant] | Saxifraga caespitosa ssp. subgemmifera | Saxifragaceae
|
| SACE4 | Saxifraga cespitosa L. [orthographic variant] | Saxifraga caespitosa | Saxifragaceae
|
| SACH10 | Saxifraga cherlerioides D. Don | Saxifraga bronchialis ssp. cherlerioides | Saxifragaceae
|
| SACH4 | Saxifraga chrysantha Gray | goldbloom saxifrage | Saxifragaceae
|
| SACL4 | Saxifraga claytoniifolia Canby ex Small | Saxifraga nidifica var. claytoniifolia | Saxifragaceae
|
| SACO33 | Saxifraga codyanus Zhmylev | Saxifraga bronchialis ssp. codyanus | Saxifragaceae
|
| SACOA2 | Saxifraga columbiana Piper var. apetala (Piper) Engl. & Irmsch. | Saxifraga apetala | Saxifragaceae
|
| SACO23 | Saxifraga columbiana Piper | Saxifraga nidifica var. nidifica | Saxifragaceae
|
| SACR8 | Saxifraga crandallii Gandog. | Saxifraga flagellaris ssp. crandallii | Saxifragaceae
|
| SACR7 | Saxifraga crenatifolia (Small) Fedde | Saxifraga nidifica var. nidifica | Saxifragaceae
|
| SADAG | Saxifraga davurica Willd. ssp. grandipetala (Engl. & Irmsch.) Hult�n | Saxifraga razshivinii | Saxifragaceae
|
| SADAG2 | Saxifraga davurica Willd. var. grandipetala (Engl. & Irmsch.) Boivin | Saxifraga razshivinii | Saxifragaceae
|
| SADAU | Saxifraga davurica Willd. var. unalaschcensis (Sternb.) Engl. | Leptarrhena pyrolifolia | Saxifragaceae
|
| SADE4 | Saxifraga debilis Engelm. ex Gray | Saxifraga rivularis | Saxifragaceae
|
| SAER3 | Saxifraga eriophora S. Wats. | redfuzz saxifrage | Saxifragaceae
|
| SAES | Saxifraga eschscholtzii Sternb. | ciliate saxifrage | Saxifragaceae
|
| SAEX2 | Saxifraga exilis Steph. | Saxifraga sibirica | Saxifragaceae
|
| SAFA8 | Saxifraga fallax Greene | Saxifraga californica | Saxifragaceae
|
| SAFEF | Saxifraga ferruginea Graham var. ferruginea | russethair saxifrage | Saxifragaceae
|
| SAFEF2 | Saxifraga ferruginea Graham var. foliacea A.M. Johnson | Saxifraga ferruginea var. vreelandii | Saxifragaceae
|
| SAFEM | Saxifraga ferruginea Graham var. macounii Engl. & Irmsch. | Saxifraga ferruginea var. vreelandii | Saxifragaceae
|
| SAFEN | Saxifraga ferruginea Graham var. newcombei Small | Newcombe's saxifrage | Saxifragaceae
|
| SAFEV | Saxifraga ferruginea Graham var. vreelandii (Small) Engl. & Irmsch. | Vreeland's saxifrage | Saxifragaceae
|
| SAFE | Saxifraga ferruginea Graham | russethair saxifrage | Saxifragaceae
|
| SAFI | Saxifraga firma Litv. ex Losinsk. | Saxifraga bronchialis ssp. funstonii | Saxifragaceae
|
| SAFLC | Saxifraga flagellaris Willd. ex Sternb. ssp. crandallii (Gandog.) Hult�n | Crandall's saxifrage | Saxifragaceae
|
| SAFLP | Saxifraga flagellaris Willd. ex Sternb. ssp. platysepala (Trautv.) Porsild | Saxifraga platysepala | Saxifragaceae
|
| SAFLS | Saxifraga flagellaris Willd. ex Sternb. ssp. setigera (Pursh) Tolm. | whiplash saxifrage | Saxifragaceae
|
| SAFLC3 | Saxifraga flagellaris Willd. ex Sternb. var. crandallii (Gandog.) Dorn | Saxifraga flagellaris ssp. crandallii | Saxifragaceae
|
| SAFLP2 | Saxifraga flagellaris Willd. ex Sternb. var. platysepala Trautv. | Saxifraga platysepala | Saxifragaceae
|
| SAFL6 | Saxifraga flagellaris Willd. ex Sternb. | whiplash saxifrage | Saxifragaceae
|
| SAFOM | Saxifraga foliolosa R. Br. var. multiflora Hult�n | Saxifraga redofskii | Saxifragaceae
|
| SAFO4 | Saxifraga foliolosa R. Br. | leafystem saxifrage | Saxifragaceae
|
| SAFO2 | Saxifraga forbesii Vasey | Saxifraga pensylvanica | Saxifragaceae
|
| SAFR2 | Saxifraga fragarioides Greene | Saxifragopsis fragarioides | Saxifragaceae
|
| SAFRC | Saxifraga fragosa Suksdorf ex Small ssp. claytoniifolia (Canby ex Small) Bacig. | Saxifraga nidifica var. claytoniifolia | Saxifragaceae
|
| SAFRL3 | Saxifraga fragosa Suksdorf ex Small var. leucandra Suksdorf | Saxifraga integrifolia | Saxifragaceae
|
| SAFR7 | Saxifraga fragosa Suksdorf ex Small | Saxifraga nidifica var. claytoniifolia | Saxifragaceae
|
| SAFU4 | Saxifraga funstonii (Small) Fedde | Saxifraga bronchialis ssp. funstonii | Saxifragaceae
|
| SAGO2 | Saxifraga gormanii Suksdorf | Gorman's saxifrage | Saxifragaceae
|
| SAGR16 | Saxifraga gracillima A.M. Johnson | Saxifraga californica | Saxifragaceae
|
| SAGR15 | Saxifraga greenei Blank. | Saxifraga rhomboidea | Saxifragaceae
|
| SAHA5 | Saxifraga hallii Gray | Saxifraga californica | Saxifragaceae
|
| SAHIA | Saxifraga hieraciifolia Waldst. & Kit. ex Willd. var. angusticapsula Hult�n | stiffstem saxifrage | Saxifragaceae
|
| SAHIH | Saxifraga hieraciifolia Waldst. & Kit. ex Willd. var. hieraciifolia | stiffstem saxifrage | Saxifragaceae
|
| SAHIR | Saxifraga hieraciifolia Waldst. & Kit. ex Willd. var. rufopilosa Hult�n | stiffstem saxifrage | Saxifragaceae
|
| SAHIR2 | Saxifraga hieraciifolia Waldst. & Kit. ex Willd. var. rydbergii (Small) Engl. & Irmsch. | Saxifraga subapetala | Saxifragaceae
|
| SAHI5 | Saxifraga hieraciifolia Waldst. & Kit. ex Willd. | stiffstem saxifrage | Saxifragaceae
|
| SAHIC | Saxifraga hirculus L. ssp. coloradensis K.O. Hedb. | yellow marsh saxifrage | Saxifragaceae
|