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2,243 species in Mammoth Cave National Park
Feniseca tarquinius
Forbesichthys agassizii
Fulica americana
Fusconaia flava
Galerina marginata
Galiella rufa
Gentiana villosa
Geotrupes blackburnii
Geum vernum
Glena plumosaria
Gomphurus fraternus
Gomphurus hybridus
Gonolobus suberosus
Graphisurus fasciatus
Gratiola neglecta
Gymnosporangium clavipes
Gymnosporangium exterum
Hagenius brevistylus
Hamamelis virginiana
Haploa lecontei
Helianthus eggertii
Heliopsis helianthoides
Hemidactylium scutatum
Hemiscolopendra marginata
Hetaerina americana
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