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4,391 species in Cape Breton Highlands National Park
Digitaria ischaemum
Dilophus femoratus
Dinotiscus eupterus
Dioryctria reniculelloides
Diphasiastrum complanatum
Diplazon pectoratorius
Diploschizia impigritella
Discus catskillensis
Dissosteira carolina
Dolichopus coercens
Donacaula maximellus
Dryocoetes autographus
Dryopteris cristata
Dryopteris fragrans
Dynamena pumila
Dytiscus verticalis
Eanus maculipennis
Echinarachnius parma
Echium vulgare
Ectemnius arcuatus
Ectemnius borealis
Ectemnius ruficornis
Ectopria nervosa
Ectopria thoracica
Edotia montosa
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