| 1 | Gymnocolea | inflata | Inflated Notchwort | Liverworts | Anastrophyllaceae | Jungermanniopsida |
| 2 | Isopaches | bicrenatus | Lesser Notchwort | Liverworts | Anastrophyllaceae | Jungermanniopsida |
| 3 | Aneura | pinguis | Greasewort | Liverworts | Aneuraceae | Jungermanniopsida |
| 4 | Riccardia | latifrons | Bog Germanderwort | Liverworts | Aneuraceae | Jungermanniopsida |
| 5 | Riccardia | multifida | Comb Liverwort | Liverworts | Aneuraceae | Jungermanniopsida |
| 6 | Asperifolia | sullivantii | No Common Name | Liverworts | Calypogeiaceae | Jungermanniopsida |
| 7 | Calypogeia | muelleriana | Mueller's Pouchwort | Liverworts | Calypogeiaceae | Jungermanniopsida |
| 8 | Calypogeia | neogaea | Common Pouchwort | Liverworts | Calypogeiaceae | Jungermanniopsida |
| 9 | Calypogeia | peruviana | No Common Name | Liverworts | Calypogeiaceae | Jungermanniopsida |
| 10 | Fuscocephaloziopsis | catenulata | Chain Pincerwort | Liverworts | Cephaloziaceae | Jungermanniopsida |
| 11 | Fuscocephaloziopsis | connivens | Forcipated Pincerwort | Liverworts | Cephaloziaceae | Jungermanniopsida |
| 12 | Fuscocephaloziopsis | lunulifolia | Moon-leaved Pincerwort | Liverworts | Cephaloziaceae | Jungermanniopsida |
| 13 | Fuscocephaloziopsis | macrostachya | Bog Pincerwort | Liverworts | Cephaloziaceae | Jungermanniopsida |
| 14 | Nowellia | curvifolia | Rustwort | Liverworts | Cephaloziaceae | Jungermanniopsida |
| 15 | Odontoschisma | denudatum | Matchstick Flapwort | Liverworts | Cephaloziaceae | Jungermanniopsida |
| 16 | Odontoschisma | sphagni | Bog-moss Flapwort | Liverworts | Cephaloziaceae | Jungermanniopsida |
| 17 | Cephaloziella | divaricata | No Common Name | Liverworts | Cephaloziellaceae | Jungermanniopsida |
| 18 | Cephaloziella | hampeana | Hampe's Threadwort | Liverworts | Cephaloziellaceae | Jungermanniopsida |
| 19 | Cephaloziella | rubella | Red Threadwort | Liverworts | Cephaloziellaceae | Jungermanniopsida |
| 20 | Fossombronia | cristula | No Common Name | Liverworts | Fossombroniaceae | Jungermanniopsida |
| 21 | Fossombronia | foveolata | Pitted Frillwort | Liverworts | Fossombroniaceae | Jungermanniopsida |
| 22 | Fossombronia | wondraczekii | Acid Frillwort | Liverworts | Fossombroniaceae | Jungermanniopsida |
| 23 | Frullania | appalachiana | No Common Name | Liverworts | Frullaniaceae | Jungermanniopsida |
| 24 | Frullania | asagrayana | Asa Gray's Scalewort | Liverworts | Frullaniaceae | Jungermanniopsida |
| 25 | Frullania | eboracensis | New York Scalewort | Liverworts | Frullaniaceae | Jungermanniopsida |
| 26 | Frullania | ericoides | No Common Name | Liverworts | Frullaniaceae | Jungermanniopsida |
| 27 | Frullania | inflata | Inflated Scalewort | Liverworts | Frullaniaceae | Jungermanniopsida |
| 28 | Frullania | kunzei | No Common Name | Liverworts | Frullaniaceae | Jungermanniopsida |
| 29 | Frullania | virginica | No Common Name | Liverworts | Frullaniaceae | Jungermanniopsida |
| 30 | Geocalyx | graveolens | Turps Pouchwort | Liverworts | Geocalycaceae | Jungermanniopsida |
| 31 | Marsupella | sphacelata | Speckled Rustwort | Liverworts | Gymnomitriaceae | Jungermanniopsida |
| 32 | Syzygiella | autumnalis | Jameson's Liverwort | Liverworts | Jamesoniellaceae | Jungermanniopsida |
| 33 | Jubula | hutchinsiae ssp. pennsylvanica | No Common Name | Liverworts | Jubulaceae | Jungermanniopsida |
| 34 | Cheilolejeunea | clypeata | Shield Liverwort | Liverworts | Lejeuneaceae | Jungermanniopsida |
| 35 | Cheilolejeunea | conchifolia | No Common Name | Liverworts | Lejeuneaceae | Jungermanniopsida |
| 36 | Cheilolejeunea | unciloba | No Common Name | Liverworts | Lejeuneaceae | Jungermanniopsida |
| 37 | Cololejeunea | biddlecomiae | Biddlecome's Pouncewort | Liverworts | Lejeuneaceae | Jungermanniopsida |
| 38 | Cololejeunea | cardiocarpa | No Common Name | Liverworts | Lejeuneaceae | Jungermanniopsida |
| 39 | Lejeunea | cavifolia | Micheli's Least Pouncewort | Liverworts | Lejeuneaceae | Jungermanniopsida |
| 40 | Myriocoleopsis | minutissima | Minute Pouncewort | Liverworts | Lejeuneaceae | Jungermanniopsida |
| 41 | Rectolejeunea | maxonii | No Common Name | Liverworts | Lejeuneaceae | Jungermanniopsida |
| 42 | Bazzania | tricrenata | Lesser Whipwort | Liverworts | Lepidoziaceae | Jungermanniopsida |
| 43 | Bazzania | trilobata | Three-lobed Bazzania | Liverworts | Lepidoziaceae | Jungermanniopsida |
| 44 | Kurzia | sylvatica | Wood Fingerwort | Liverworts | Lepidoziaceae | Jungermanniopsida |
| 45 | Lepidozia | reptans | Creeping Fingerwort | Liverworts | Lepidoziaceae | Jungermanniopsida |
| 46 | Telaranea | nematodes | Irish Threadwort | Liverworts | Lepidoziaceae | Jungermanniopsida |
| 47 | Chiloscyphus | cuspidatus | No Common Name | Liverworts | Lophocoleaceae | Jungermanniopsida |
| 48 | Chiloscyphus | polyanthos var. rivularis | Riverbank Crestwort | Liverworts | Lophocoleaceae | Jungermanniopsida |
| 49 | Lophocolea | bidentata | Bifid Crestwort | Liverworts | Lophocoleaceae | Jungermanniopsida |
| 50 | Lophocolea | heterophylla | Various-leaved Crestwort | Liverworts | Lophocoleaceae | Jungermanniopsida |
| 51 | Lophocolea | minor | Lesser Crestwort | Liverworts | Lophocoleaceae | Jungermanniopsida |
| 52 | Metzgeria | conjugata | Rock Veilwort | Liverworts | Metgeriaceae | Jungermanniopsida |
| 53 | Metzgeria | furcata | Forked Veilwort | Liverworts | Metzgeriaceae | Jungermanniopsida |
| 54 | Mylia | anomala | Anomalous Flapwort | Liverworts | Myliaceae | Jungermanniopsida |
| 55 | Pallavicinia | lyellii | Veilwort | Liverworts | Pallaviciniaceae | Jungermanniopsida |
| 56 | Pellia | epiphylla | Common Pellia | Liverworts | Pelliaceae | Jungermanniopsida |
| 57 | Pellia | neesiana | Ring Pellia | Liverworts | Pelliaceae | Jungermanniopsida |
| 58 | Plagiochila | asplenioides | Greater Featherwort | Liverworts | Plagiochilaceae | Jungermanniopsida |
| 59 | Plagiochila | porelloides | Lesser Featherwort | Liverworts | Plagiochilaceae | Jungermanniopsida |
| 60 | Porella | pinnata | Pinnate Scalewort | Liverworts | Porellaceae | Jungermanniopsida |
| 61 | Porella | platyphylla | No Common Name | Liverworts | Porellaceae | Jungermanniopsida |
| 62 | Porella | platyphylloidea | No Common Name | Liverworts | Porellaceae | Jungermanniopsida |
| 63 | Blepharostoma | trichophyllum | Hairy Threadwort | Liverworts | Pseudolepicoleacea | Jungermanniopsida |
| 64 | Ptilidium | pulcherrimum | Tree Fringewort | Liverworts | Ptilidiaceae | Jungermanniopsida |
| 65 | Radula | complanata | Flat-leaved Scalewort | Liverworts | Radulaceae | Jungermanniopsida |
| 66 | Radula | obconica | No Common Name | Liverworts | Radulaceae | Jungermanniopsida |
| 67 | Diplophyllum | apiculatum | Sharp-pointed Earwort | Liverworts | Scapaniaceae | Jungermanniopsida |
| 68 | Heterogemma | capitata | Delicate Notchwort | Liverworts | Scapaniaceae | Jungermanniopsida |
| 69 | Scapania | nemorea | Grove Earwort | Liverworts | Scapaniaceae | Jungermanniopsida |
| 70 | Scapania | undulata | Water Earwort | Liverworts | Scapaniaceae | Jungermanniopsida |
| 71 | Solenostoma | gracillimum | Crenulated Flapwort | Liverworts | Solenostomataceae | Jungermanniopsida |
| 72 | Trichocolea | tomentella | Handsome Woolywort | Liverworts | Trichocoleaceae | Jungermanniopsida |
| 73 | Asterella | tenella | Delicate Starwort | Liverworts | Aytoniaceae | Marchantiopsida |
| 74 | Mannia | fragrans | Fragrant Macewort | Liverworts | Aytoniaceae | Marchantiopsida |
| 75 | Reboulia | hemisphaerica | Hemisphaeric Liverwort | Liverworts | Aytoniaceae | Marchantiopsida |
| 76 | Blasia | pusilla | Common Kettlewort | Liverworts | Blasiaceae | Marchantiopsida |
| 77 | Conocephalum | salebrosum | Snake-skin Liverwort | Liverworts | Conocephalaceae | Marchantiopsida |
| 78 | Dumortiera | hirsuta | Dumortier's Liverwort | Liverworts | Dumortieraceae | Marchantiopsida |
| 79 | Lunularia | cruciata | Crescent-cup Liverwort | Liverworts | Lunulariaceae | Marchantiopsida |
| 80 | Marchantia | polymorpha | Common Liverwort | Liverworts | Marchantiaceae | Marchantiopsida |
| 81 | Marchantia | quadrata | Narrow Mushroom-Headed Liverwort | Liverworts | Marchantiaceae | Marchantiopsida |
| 82 | Riccia | beyrichiana | Purple Crystalwort | Liverworts | Ricciaceae | Marchantiopsida |
| 83 | Riccia | bifurca | Lizard Crystalwort | Liverworts | Ricciaceae | Marchantiopsida |
| 84 | Riccia | cavernosa | Cavernous Crystalwort | Liverworts | Ricciaceae | Marchantiopsida |
| 85 | Riccia | fluitans | Floating Crystalwort | Liverworts | Ricciaceae | Marchantiopsida |
| 86 | Riccia | frostii | Frost's Crystalwort | Liverworts | Ricciaceae | Marchantiopsida |
| 87 | Riccia | hirta | No Common Name | Liverworts | Ricciaceae | Marchantiopsida |
| 88 | Riccia | huebeneriana ssp. sullivantii | Sullivant's Crystalwort | Liverworts | Ricciaceae | Marchantiopsida |
| 89 | Riccia | membranacea | No Common Name | Liverworts | Ricciaceae | Marchantiopsida |
| 90 | Riccia | sorocarpa | Common Crystalwort | Liverworts | Ricciaceae | Marchantiopsida |
| 91 | Ricciocarpos | natans | Fringed Heartwort | Liverworts | Ricciaceae | Marchantiopsida |
| 92 | Sphaerocarpos | texanus | Texas Balloonwort | Liverworts | Sphaerocarpaceae | Marchantiopsida |