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3,375 species in Joshua Tree National Park
Copestylum haagii
Cophura getzendaneri
Cortaderia selloana
Cortodera falsa
Crassula colligata
Crossidium aberrans
Cucurbita foetidissima
Cuscuta campestris
Cuscuta umbellata
Cyprinella lutrensis
Cypseloides niger
Datisca glomerata
Dermatocarpon intestiniforme
Diabrotica undecimpunctata
Didelphis virginiana
Digitaria sanguinalis
Dilophus tingi
Diplazon laetatorius
Diploschistes scruposus
Diplotaxis pacata
Drassyllus insularis
Dufourea malacothricis
Efferia candida
Elachiptera nigriceps
Eleocharis macrostachya
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