Roridula
Rubus hirsutus
wild raspberry —
Rudbeckia sp.
Asteraceae
S. canonicolum
S. craigi
S. exulatum
S. irritatum
S. pilosum
S. platycerus
S. silvestre
S. venustrum
S. vittitatum complex
SARS-CoV-2
SARS-CoV-2 virus —
Salix arctophila
Salicaceae > Malpighiales > Magnoliopsida
Salix herbacea
Salix viminalis
Salicaceae > Malpighiales > Magnoliopsida
Salmo trutta
brown trout — Salmonidae > Salmoniformes > Teleostei
Salsola tragus
Russian thistles —
Salvelinus confluentus
bull trout — Salmonidae > Salmoniformes > Teleostei
Salvia
Lamiaceae > Lamiales > Magnoliopsida
Salvia iodantha
Salvia mexicana
Sandaracinus amylolyticus
Sandaracinaceae > Myxococcales > Deltaproteobacteria
Sapyga
Sapyga pumila
Sapygidae
Sarracenia purpurea
Sarraceniaceae > Ericales > Magnoliopsida
Sarsia nipponica
Corynidae > Anthoathecatae > Hydrozoa
Sarsiella texana
Sarsiellidae > Myodocopida > Ostracoda
Saxifraga biflora
Saxifraga oppositifolia
Saxifragaceae > Saxifragales > Magnoliopsida
Scaptotrigona depilis
stingless bee —
Sceloporus occidentalis
fence lizards — Iguanidae > Squamata > Reptilia
Sceloporus undulatus
eastern fence lizard —
Schedonorus phoenix
Schizophoria
Schwagerina
Schwagerina cf. pinosensis
Schwagerina emaciata
Schwagerina grandensis
Schwagerina jewetti
Sedum crassulus
Senecio bigelovii
Asteraceae > Asterales > Magnoliopsida
Senecio cana
Asteraceae
Senecio crassulus
Thickleaf Groundsel — Asteraceae > Asterales > Magnoliopsida
Senecio integerrimus
Groundsel — Asteraceae > Asterales > Magnoliopsida
Serratia symbiotica
Enterobacteriaceae > Enterobacteriales > Gammaproteobacteria
Sesamum radiatum
bellflower — Pedaliaceae > Lamiales > Magnoliopsida
Setophaga petechia
Yellow Warbler — Parulidae > Passeriformes > Aves
Setophaga ruticilla
American redstart — Parulidae > Passeriformes > Aves