| Genome Name | No of Superfamily |
| Kabuyea hostifolia | 3 |
| Kadam virus | 1 |
| Kadipiro virus | 1 |
| Kadsura japonica | 5 |
| Kageneckia oblonga | 2 |
| Kailarsenia ochreata | 2 |
| Kalanchoe daigremontiana | 5 |
| Kalanchoe fedtschenkoi | 1 |
| Kaliphora madagascariensis | 3 |
| Kallichroma tethys | 3 |
| Kallstroemia maxima | 2 |
| Kallymenia antarctica | 1 |
| Kallymenia reniformis | 2 |
| Kallymenia rosea | 2 |
| Kalmia buxifolia | 2 |
| Kalmia latifolia | 2 |
| Kalmia poliifolia | 2 |
| Kalmia procumbens | 2 |
| Kalmiopsis leachiana | 2 |
| Kalopanax pictus | 2 |
| Kalotermes brouni | 1 |
| Kalotermes hilli | 1 |
| Kalotermes rufinotum | 1 |
| Kandelia candel | 2 |
| Kappaphycus alvarezii | 2 |
| Kappaphycus cottonii | 2 |
| Kappaphycus striatum | 1 |
| Karenia brevis | 1 |
| Karlodinium micrum | 2 |
| Karroochloa purpurea | 3 |
| Karshi virus | 1 |
| Karwinskia humboldtiana | 2 |
| Kassina maculata | 1 |
| Katagnymene spiralis | 1 |
| Katharina tunicata | 1 |
| Katsuwonus pelamis | 3 |
| Kawanaphila iyouta | 1 |
| Kawanaphila nartee | 1 |
| Kawanaphila yarraga | 1 |
| Kayea stylosa | 2 |
| Kedrostis africana | 2 |
| Kedrostis nana | 3 |
| Keetia zanzibarica | 2 |
| Kegeliella kupperi | 2 |
| Kelleronia revoilii | 2 |
| Kempina mikado | 1 |
| Kennedia rubicunda | 2 |
| Kennedya yellow mosaic virus | 3 |
| Kentiopsis oliviformis | 3 |
| Kentrophoros sp. | 3 |
| Keraudrenia hermanniifolia | 5 |
| Kerria japonica | 5 |
| Kerriodoxa elegans | 2 |
| Keteleeria davidiana | 3 |
| Khabarovsk virus | 1 |
| Khawkinea quartana | 1 |
| Khaya anthotheca | 2 |
| Kiaeria blyttii | 4 |
| Kiaeria starkei | 1 |
| Kibara coriacea | 3 |
| Kibara rigidifolia | 3 |
| Kibdelosporangium aridum | 1 |
| Kiefferulus cornishi | 1 |
| Kielmeyera lathrophyton | 2 |
| Kigelia africana | 3 |
| Kiggelaria africana | 6 |
| Kikihia angusta | 1 |
| Kikihia cauta | 2 |
| Kikihia convicta | 1 |
| Kikihia cutora | 1 |
| Kikihia horologium | 1 |
| Kikihia longula | 1 |
| Kikihia murihikua | 1 |
| Kikihia muta | 1 |
| Kikihia nelsonensis | 1 |
| Kikihia ochrina | 1 |
| Kikihia paxillulae | 1 |
| Kikihia peninsularis | 1 |
| Kikihia rosea | 1 |
| Kikihia scutellaris | 1 |
| Kikihia subalpina | 2 |
| Kikihia tasminii | 1 |
| Kingdonia uniflora | 5 |
| Kingella denitrificans | 1 |
| Kingella kingae | 1 |
| Kingia australis | 2 |
| Kinugasa japonica | 2 |
| Kirengeshoma palmata | 2 |
| Kirkia wilmsii | 2 |
| Kirkomyces cordense | 1 |
| Kitasatospora griseola | 9 |
| Kitasatospora sp. F18-97 | 1 |
| Kjellmaniella crassifolia | 3 |
| Kladothrips acaciae | 2 |
| Kladothrips augonsaxxos | 2 |
| Kladothrips hamiltoni | 1 |
| Kladothrips maslini | 2 |
| Klattia flava | 3 |
| Klebsiella aerogenes | 45 |
| Klebsiella granulomatis | 1 |
| Klebsiella oxytoca | 48 |
| Klebsiella pneumoniae | 125 |
| Klebsiella sp. | 4 |
| Klebsiella sp. LX3 | 1 |
| Klebsormidium flaccidum | 3 |
| Klebsormidium nitens | 3 |
| Klebsormidium sp. | 2 |
| Klebsormidium subtilissimum | 4 |
| Kluyvera ascorbata | 4 |
| Kluyvera cryocrescens | 4 |
| Kluyveromyces lactis | 112 |
| Kluyveromyces marxianus | 20 |
| Kluyveromyces wickerhamii | 1 |
| Knautia intermedia | 2 |
| Knema kinabaluensis | 3 |
| Knema latericia | 4 |
| Knightia excelsa | 3 |
| Kniphofia uvaria | 3 |
| Knoxia platycarpa | 2 |
| Kobresia simpliciuscula | 2 |
| Kocuria rhizophila | 1 |
| Kocuria rosea | 1 |
| Koeberlinia spinosa | 5 |
| Koellensteinia graminea | 2 |
| Koelreuteria paniculata | 5 |
| Kogia breviceps | 2 |
| Kogia simus | 3 |
| Kohautia caespitosa | 2 |
| Kohleria digitaliflora | 1 |
| Kohleria spicata | 2 |
| Kokia drynarioides | 1 |
| Koliella longiseta | 1 |
| Kolkwitzia amabilis | 2 |
| Kongobatha diademata | 1 |
| Kopsia fruticosa | 2 |
| Koptothrips sp. DM467 | 2 |
| Koptothrips xenus | 2 |
| Korscheltellus gracilis | 1 |
| Korthalsella lindsayi | 2 |
| Kosteletzkya virginica | 1 |
| Krameria ixine | 2 |
| Krameria lanceolata | 2 |
| Kraussia floribunda | 2 |
| Kraussia socotrana | 2 |
| Krugiodendron ferreum | 2 |
| Kryptophanaron alfredi symbiont | 1 |
| Kuckuckia spinosa | 2 |
| Kulinia eludens | 2 |
| Kummerowia stipulacea | 2 |
| Kunhardtia radiata | 3 |
| Kurodaia sp. UT10 | 1 |
| Kurthia sp. 538-KA26 | 3 |
| Kurthia zopfii | 4 |
| Kyasanur forest disease virus | 2 |
| Kyhosia bolanderi | 1 |
| Kyllinga appendiculata | 2 |
| Kyllinga bulbosa | 2 |
| Kyllingiella microcephala | 2 |
| Kyllingiella polyphylla | 2 |
| Kytococcus sedentarius | 2 |
| Kyuri green mottle mosaic virus | 1 |
