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3,375 species in Joshua Tree National Park
Sabulina douglasii
Saropogon albifrons
Sassacus vitis
Sceliphron caementarium
Schinia graefiana
Scolia nobilitata
Cryptantha muricata
Selasphorus platycercus
Semium subglabrum
Sesbania herbacea
Setophaga caerulescens
Solanum elaeagnifolium
Spergularia marina
Sphaenothecus bilineatus
Culex quinquefasciatus
Sphyrapicus varius
Squamulea squamosa
Stenomorpha confluens
Streptanthus campestris
Syspira tigrina
Tachytrechus angustipennis
Tachytrechus canacolli
Tarache expolita
Teucrium cubense
Opuntia engelmannii
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