Species (71.785)
- Southbya tophacea (Spruce) Spruce
- Sowerbyella rhenana (Fuckel) J. Moravec 1986
- Sowerbyella unicolor (Gillet) Nannf. 1938
- Spachea correae Cuatrec. & Croat
- Spaeleodiscus tatricus Hazay
- Spaelotis ravida (Denis & Schiffermüller, 1775)
- Spaelotis senna (Hartig, 1934) ssp. eissenbergeri
- Spaelotis senna (Freyer, 1829)
- Spaelotis suecica (Aurivillius, 1890)
- Spaniocerca zelandica bicornuta
- Spaniocercoides cowleyi (Winterbourn)
- Spaniocercoides fimbria Winterbourn
- Spaniocercoides hudsoni Kimmins
- Spaniophaenus laticollis Muell.
- Spaniophlebia sp.
- Sparassis crispa (Wulfen ex Jacq.) Fr. 1821
- Sparedrus testaceus And.
- Spargania luctuata (Denis & Schiffermüller, 1775)
- Sparganium affine Schnitzlein ssp. borderei Focke
- Sparganium affine Schnizlein
- Sparganium angustifolium Michx.
- Sparganium emersum Rehm.
- Sparganium erectum L. ssp. oocarpum (Celak.) Domin
- Sparganium erectum L.
- Sparganium erectum L. ssp. neglectum (Beeby) Schinz & Thell.
- Sparganium erectum L. ssp. microcarpum (Neuman) Domin
- Sparganium hyperboreum Laest.
- Sparganium longissimum (Fr.) Fritsch
- Sparganium microcarpum (Neum.) Celak
- Sparganium minimum Fries
- Sparganium natans L.
- Sparganium neglectum Beeby.
- Sparganium oligocarpon Angstr.
- Sparganium ramosum Huds.
- Sparganium simplex Huds.
- Sparganium speirocephalum Neum.
- Sparganium submuticum Hartmann
- Sparganium
- Sparganothis pilleriana (Denis & Schiffermüller, 1775)
- Sparganothis praecana (Kennel, 1900)
- Sparganothis praecana Lichtenberger ssp. habeleri
- Spartina alterniflora Lois.
- Spartina maritima (Curt.) Fernald
- Spartina pectinata Bosc ex Link
- Spartina stricta (Sol.) Pers.
- Spartina townsendii H. & J. Groves
- Spartina versicolor Fabre
- Spartina
- Spartium junceum L.
- Spatalia argentina (Denis & Schiffermüller, 1775)
- Spatalistis bifasciana (Hübner, 1787)
- Spatha chersiana
- Spathiphyllum silvicola R. Baker
- Spathiphyllum wendlandii Schott
- Spathius curvicaudis Ratzeburg 1844
- Spathocera laticornis Schill.
- Spathodea campanulata P. Beauv.
- Spekia zonata Woodward
- Spelaeoconcha paganettii Sturany
- Spelaeodiscus astoma (Bdg) Edlauer
- Spelaeodiscus triaria Hazay ssp. tatricus
- Spelaeodiscus triaria ssp. triaria
- Spelaeodiscus triaria
- Spelaeodiscus triaria ssp. trinodis
- Spelaeodiscus triarius Kimakowicz ssp. trinodis
- Spelaeodiscus triarius
- Sperchus emarginatus Schall.
- Spergula arvensis L. ssp. sativa (Boenn.) Celak.
- Spergula arvensis L. var. vulgaris
- Spergula arvensis L. ssp. arvensis
- Spergula arvensis L.
- Spergula vernalis Willd.
- Spergula viscosa Lag.
- Spergularia atheniensis Asch.
- Spergularia australis Samp.
- Spergularia bocconei (Scheele) Aschers. & Graeb.
- Spergularia campestris (L.) Asch.
- Spergularia echinosperma Celak.
- Spergularia marginata (DC.) Kittel
- Spergularia marina (L.) Griseb.
- Spergularia maritima (All.) Chiov.
- Spergularia media (L.) C. Presl.
- Spergularia nicaeensis Sarato
- Spergularia purpurea (Pers.) G. Don.
- Spergularia rubra (L.) J. & C. Presl
- Spergularia rubra (L.) Presl.
- Spergularia rubra (L.) J. & K. Presl
- Spergularia rupestris Lebel.
- Spergularia salina J. Presl et C. Presl
- Spergularia salina Presl.
- Spergularia X kurkae F. Dvorak
- Spermatophora hornigii Lederer, 1852
- Spermestes cucullatus Clancey, 1964 ssp. tesselatus
- Spermodea lamellata Jeffreys 1830
- Spermodea lamellata Jeffreys 1830 ssp. lamellata
- Spermophagus sericeus (Geoffr. 1785)
- Spermophilus citellus (Linnaeus, 1766)
- Sph. gredleri
- Sphaerangium muticum Schreb.
- Sphaerangium muticum (Schreb. ex Hedw.) Schimp.