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Property Organism Value Units ID Details
Number of extant species Crustacea >52,000 species 117178 Thomas W. Cronin & Megan...
Estimated number of species Insect 5,000,000 - 6,000,000 species 113444 Pimm SL et al., The ...
Number of species of conifers Plants ~630 species: representing ~70 currently recognized genera N/A 113644 Nystedt B et al., The...
Number of plant species Plants ~350,000 (representing an estimated 80–90% of the global total) species 113395 Vellend M et al., Plant...
Fraction of total terrestrial plant species that are C4 species Biosphere ~3 % 116891 Arrivault S et al., ...
Number of flowering plant species Plants 250,000 to 400,000 Species 107611 Gruber CW et al., Di...
Number of species of fish-, mollusk-, and worm-hunting cone snails of the Conus species Predatory cone snail Conus spp. >500 Conus species 115224 Singer HM et al., Selective...
Estimated number of species of land plants Biosphere >450,000 species 113442 Pimm SL et al., The ...
Estimated number of marine species Biosphere primary source [9] 2.2±0.18: primary source [12] 0.7 - 1.0 million species 113445 Pimm SL et al., The ...
Estimated number of beetle species that are hosted by one species of tropical tree Biosphere 160 Species 103930 May RM. How Many Species...
Number of described and undescribed animal species Biosphere described ~1,900,000: undescribed 11,000,000 species 113443 Pimm SL et al., The ...
Number of plants species Biosphere 270,000-400,000 unitless 105635 Saito K, Matsuda F. ...
Seed mass, 2C nuclear DNA content, in 12 diploid Allium species and 7 annual Vicia species Plants Table - link N/A 114318 Bennett MD. Nuclear DNA...
Overall frequency of plant species that hybridize Plants 0.09 hybrid combinations per nonhybrid species 113466 Yakimowski SB, Rieseberg...
Number of species Cnidaria 9000 unitless 102413 Lecointre, G. and H....
Number of intestinal microbe species Human Homo sapiens 400 - 500 microbial species 117016 Breitbart M et al., ...
Number of Ebola virus species Ebola virus 5 species 111116 Radzimanowski J, Effantin G...
Proportion of species that hybridize Metazoa animals 1 - 10 % 113468 Yakimowski SB, Rieseberg...
Number of chromosomes in species Butterfly family lycaenid spp. in genus Agrodiaetus 10 - 134 chromosomes: majority of lycaenid butterflies 23/24 chromosomes 116988 Kandul NP, Lukhtanov VA...
Number of described species of organisms Biosphere 2e+6 Unitless 103927 May RM. How Many Species...