| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| SPEMV2 | Sphaeralcea emoryi Torr. ex Gray var. variabilis (Cockerell) Kearney | Sphaeralcea emoryi | Malvaceae
|
| SPEM | Sphaeralcea emoryi Torr. ex Gray | Emory's globemallow | Malvaceae
|
| SPFEA | Sphaeralcea fendleri Gray ssp. albescens Kearney | thicket globemallow | Malvaceae
|
| SPFEE | Sphaeralcea fendleri Gray ssp. elongata Kearney | thicket globemallow | Malvaceae
|
| SPFEF | Sphaeralcea fendleri Gray ssp. fendleri | Fendler's globemallow | Malvaceae
|
| SPFET | Sphaeralcea fendleri Gray ssp. tripartita (Woot. & Standl.) Kearney | thicket globemallow | Malvaceae
|
| SPFEV | Sphaeralcea fendleri Gray ssp. venusta Kearney | thicket globemallow | Malvaceae
|
| SPFEA2 | Sphaeralcea fendleri Gray var. albescens (Kearney) Kearney | Sphaeralcea fendleri ssp. albescens | Malvaceae
|
| SPFEE2 | Sphaeralcea fendleri Gray var. elongata (Kearney) Kearney | Sphaeralcea fendleri ssp. elongata | Malvaceae
|
| SPFET2 | Sphaeralcea fendleri Gray var. tripartita (Woot. & Standl.) Kearney | Sphaeralcea fendleri ssp. tripartita | Malvaceae
|
| SPFEV2 | Sphaeralcea fendleri Gray var. venusta (Kearney) Kearney | Sphaeralcea fendleri ssp. venusta | Malvaceae
|
| SPFE | Sphaeralcea fendleri Gray | Fendler's globemallow | Malvaceae
|
| SPGRG | Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb. ssp. grossulariifolia | gooseberryleaf globemallow | Malvaceae
|
| SPGRP2 | Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb. ssp. pedata (Torr. ex Gray) Kearney | gooseberryleaf globemallow | Malvaceae
|
| SPGRM | Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb. var. moorei Welsh | Sphaeralcea grossulariifolia ssp. grossulariifolia | Malvaceae
|
| SPGRP3 | Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb. var. pedata (Torr. ex Gray) Kearney | Sphaeralcea grossulariifolia ssp. pedata | Malvaceae
|
| SPGR2 | Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb. | gooseberryleaf globemallow | Malvaceae
|
| SPHA | Sphaeralcea hastulata Gray | spear globemallow | Malvaceae
|
| SPINC | Sphaeralcea incana Torr. ex Gray ssp. cuneata Kearney | soft globemallow | Malvaceae
|
| SPINI | Sphaeralcea incana Torr. ex Gray ssp. incana | gray globemallow | Malvaceae
|
| SPINC2 | Sphaeralcea incana Torr. ex Gray var. cuneata (Kearney) Kearney | Sphaeralcea incana ssp. cuneata | Malvaceae
|
| SPIN2 | Sphaeralcea incana Torr. ex Gray | gray globemallow | Malvaceae
|
| SPJA3 | Sphaeralcea janeae (Welsh) Welsh | Jane's globemallow | Malvaceae
|
| SPLA | Sphaeralcea laxa Woot. & Standl. | caliche globemallow | Malvaceae
|
| SPLEJ | Sphaeralcea leptophylla (Gray) Rydb. var. janeae Welsh | Sphaeralcea janeae | Malvaceae
|
| SPLE | Sphaeralcea leptophylla (Gray) Rydb. | scaly globemallow | Malvaceae
|
| SPLI | Sphaeralcea lindheimeri Gray | woolly globemallow | Malvaceae
|
| SPMUM | Sphaeralcea munroana (Dougl. ex Lindl.) Spach ex Gray ssp. munroana | Munro's globemallow | Malvaceae
|
| SPMUS2 | Sphaeralcea munroana (Dougl. ex Lindl.) Spach ex Gray ssp. subrhomboidea (Rydb.) Kearney | whitestem globemallow | Malvaceae
|
| SPMUS3 | Sphaeralcea munroana (Dougl. ex Lindl.) Spach ex Gray var. subrhomboidea (Rydb.) Kearney | Sphaeralcea munroana ssp. subrhomboidea | Malvaceae
|
| SPMU2 | Sphaeralcea munroana (Dougl. ex Lindl.) Spach ex Gray | Munro's globemallow | Malvaceae
|
| SPOR | Sphaeralcea orcuttii Rose | Carrizo Creek globemallow | Malvaceae
|
| SPPA2 | Sphaeralcea parvifolia A. Nels. | smallflower globemallow | Malvaceae
|
| SPPE2 | Sphaeralcea pedatifida (Gray) Gray | palmleaf globemallow | Malvaceae
|
| SPPO6 | Sphaeralcea polychroma La Duke | hot springs globemallow | Malvaceae
|
| SPPR3 | Sphaeralcea procera C.L. Porter | Luna County globemallow | Malvaceae
|
| SPPS | Sphaeralcea psoraloides Welsh | psoralea globemallow | Malvaceae
|
| SPRI4 | Sphaeralcea rivularis (Dougl. ex Hook.) Torr. | Iliamna rivularis var. rivularis | Malvaceae
|
| SPRUE | Sphaeralcea rusbyi Gray ssp. eremicola (Jepson) Kearney | Rusby's globemallow | Malvaceae
|
| SPRUG | Sphaeralcea rusbyi Gray ssp. gilensis Kearney | Gila globemallow | Malvaceae
|
| SPRUR | Sphaeralcea rusbyi Gray ssp. rusbyi | Rusby's globemallow | Malvaceae
|
| SPRUE2 | Sphaeralcea rusbyi Gray var. eremicola (Jepson) Kearney | Sphaeralcea rusbyi ssp. eremicola | Malvaceae
|
| SPRUG2 | Sphaeralcea rusbyi Gray var. gilensis (Kearney) Kearney | Sphaeralcea rusbyi ssp. gilensis | Malvaceae
|
| SPRU2 | Sphaeralcea rusbyi Gray | Rusby's globemallow | Malvaceae
|
| SPSUC | Sphaeralcea subhastata Coult. ssp. connata Kearney | Sphaeralcea hastulata | Malvaceae
|
| SPSUL | Sphaeralcea subhastata Coult. ssp. latifolia Kearney | Sphaeralcea hastulata | Malvaceae
|
| SPSUM | Sphaeralcea subhastata Coult. ssp. martii (Cockerell) Kearney | Sphaeralcea hastulata | Malvaceae
|
| SPSUP | Sphaeralcea subhastata Coult. ssp. pumila (Woot. & Standl.) Kearney | Sphaeralcea hastulata | Malvaceae
|
| SPSUT | Sphaeralcea subhastata Coult. ssp. thyrsoidea Kearney | Sphaeralcea hastulata | Malvaceae
|
| SPSUC2 | Sphaeralcea subhastata Coult. var. connata (Kearney) Kearney | Sphaeralcea hastulata | Malvaceae
|
| SPSUL2 | Sphaeralcea subhastata Coult. var. latifolia (Kearney) Kearney | Sphaeralcea hastulata | Malvaceae
|
| SPSUM2 | Sphaeralcea subhastata Coult. var. martii (Cockerell) Kearney | Sphaeralcea hastulata | Malvaceae
|
| SPSUP2 | Sphaeralcea subhastata Coult. var. pumila (Woot. & Standl.) Kearney | Sphaeralcea hastulata | Malvaceae
|
| SPSUT2 | Sphaeralcea subhastata Coult. var. thyrsoidea (Kearney) Kearney | Sphaeralcea hastulata | Malvaceae
|
| SPSU | Sphaeralcea subhastata Coult. | Sphaeralcea hastulata | Malvaceae
|
| SPWR | Sphaeralcea wrightii Gray | Wright's globemallow | Malvaceae
|
| SPHAE | Sphaeralcea St.-Hil. | globemallow | Malvaceae
|
| SPAB | Sphaerellothecium abditum Triebel | | Mycosphaerellaceae
|
| SPAR8 | Sphaerellothecium araneosum (Rehm ex Arnold) Zopf | | Mycosphaerellaceae
|
| SPCO13 | Sphaerellothecium contextum Triebel | | Mycosphaerellaceae
|
| SPMI11 | Sphaerellothecium minutum Hafellner | | Mycosphaerellaceae
|
| SPHAE5 | Sphaerellothecium Zopf | sphaerellothecium | Mycosphaerellaceae
|
| SPBI3 | Sphaeria bignoniae Schwein. | Granulopyrenis hymnothora | Pyrenulaceae
|
| SPCR5 | Sphaerocarpos cristatus M. Howe | | Sphaerocarpaceae
|
| SPDO4 | Sphaerocarpos donnellii Austin | | Sphaerocarpaceae
|
| SPDR2 | Sphaerocarpos drewei Wigglesworth | | Sphaerocarpaceae
|
| SPHI3 | Sphaerocarpos hians Haynes | | Sphaerocarpaceae
|
| SPMI12 | Sphaerocarpos michelii Bellardi | | Sphaerocarpaceae
|
| SPTE13 | Sphaerocarpos texanus Austin | | Sphaerocarpaceae
|
| SPHAE4 | Sphaerocarpos Boehm. | | Sphaerocarpaceae
|
| SPAR2 | Sphaeromeria argentea Nutt. | silver chickensage | Asteraceae
|
| SPCA7 | Sphaeromeria cana (D.C. Eat.) Heller | gray chickensage | Asteraceae
|
| SPCA8 | Sphaeromeria capitata Nutt. | rock tansy | Asteraceae
|
| SPCO8 | Sphaeromeria compacta (Hall) A. Holmgren, Shultz & Lowrey | compact chickensage | Asteraceae
|
| SPDI5 | Sphaeromeria diversifolia (D.C. Eat.) Rydb. | separateleaf chickensage | Asteraceae
|
| SPPON | Sphaeromeria potentilloides (Gray) Heller var. nitrophila (Cronq.) A. Holmgren, Shultz & Lowrey | fivefinger chickensage | Asteraceae
|
| SPPOP | Sphaeromeria potentilloides (Gray) Heller var. potentilloides | fivefinger chickensage | Asteraceae
|
| SPPO4 | Sphaeromeria potentilloides (Gray) Heller | fivefinger chickensage | Asteraceae
|
| SPRU3 | Sphaeromeria ruthiae A. Holmgren, Shultz & Lowrey | Zion chickensage | Asteraceae
|
| SPSI3 | Sphaeromeria simplex (A. Nels.) Heller | Laramie chickensage | Asteraceae
|
| SPHAE3 | Sphaeromeria Nutt. | chickensage | Asteraceae
|
| SPFR60 | Sphaerophorus fragilis (L.) Pers. | fragile ball lichen | Sphaerophoraceae
|
| SPGLG | Sphaerophorus globosus (Hudson) Vainio var. gracilis (Mull. Arg.) Zahlbr. | globe ball lichen | Sphaerophoraceae
|
| SPGL60 | Sphaerophorus globosus (Hudson) Vainio | globe ball lichen | Sphaerophoraceae
|
| SPME60 | Sphaerophorus melanocarpus (Sw.) DC. | Bunodophoron melanocarpum | Sphaerophoraceae
|
| SPTU4 | Sphaerophorus tuckermanii Rasanen | Sphaerophorus globosus var. gracilis | Sphaerophoraceae
|
| SPHAE7 | Sphaerophorus Pers. | ball lichen | Sphaerophoraceae
|
| SPSA3 | Sphaerophysa salsula (Pallas) DC. | alkali swainsonpea | Fabaceae
|
| SPHAE2 | Sphaerophysa DC. | sphaerophysa | Fabaceae
|
| SPCO18 | Sphaeropteris cooperi (Hook. ex F. Muell.) R. M. Tryon | Cyathea cooperi | Cyatheaceae
|
| SPAD2 | Sphaerosporoceros adscendens (Lehm. & Lindenb.) H�ssel | Anthoceros adscendens | Anthocerotaceae
|
| SPIN9 | Sphaerostephanos invisus (G. Forst.) Holttum | Thelypteris forsteri | Thelypteridaceae
|
| SPHA4 | Sphaerostigma hallii A. Davids. | Camissonia pallida ssp. hallii | Onagraceae
|
| SPMI4 | Sphaerostigma minor A. Nels. | Camissonia minor | Onagraceae
|
| SPPA9 | Sphaerostigma pallida Abrams | Camissonia pallida ssp. pallida | Onagraceae
|
| SPST5 | Sphaerostigma strigulosa Fisch. & C.A. Mey. | Camissonia strigulosa | Onagraceae
|
| SPDO3 | Sphaerulina dolichotera (Nyl.) Vouax | | Mycosphaerellaceae
|
| SPHAE8 | Sphaerulina Sacc. | sphaerulina | Mycosphaerellaceae
|
| SPGR10 | Sphagneticola gracilis (L.C. Rich.) Pruski | slender creeping-oxeye | Asteraceae
|
| SPTR6 | Sphagneticola trilobata (L.C. Rich.) Pruski | Bay Biscayne creeping-oxeye | Asteraceae
|
| SPHAG3 | Sphagneticola O. Hoffmann | creeping-oxeye | Asteraceae
|