| Family | Genus | Species | Authority | Common Name | Source (full citation given below this table) |
| Ricciaceae | Riccia | sullivantii | Aust. | ? | Bar Harbor: Lorenz (1924, p. 7., "Young's District") Mount Desert: Lorenz (1924, p. 7., "road toward Prettymarsh") town?: Lorenz (1924, p. 7., "Great Pond") |
| Rebouliaceae | Asterella | tenella | (L.) Beauv. | ? | Bar Harbor: Lorenz (1924, p. 7., "near Indian Point") |
| Marchantiaceae | Conocephalum | conicum | (L.) Dumort | ? | Bar Harbor: Lorenz (1924, p. 7.) town(s)?: Lorenz (1924, p. 7., "Aunt Molly's Beach", "Cadillac Cliff") |
| Marchantiaceae | Lunularia | cruciata | (L.) Dumort | ? | Bar Harbor: Lorenz (1924, p. 7., "Mt. Desert Nurseries' greenhouse") |
| Marchantiaceae | Marchantia | polymorpha | L. | ? | Bar Harbor: Lorenz (1924, p. 7., "near Anemone Cave") Mount Desert: Lorenz (1924, p. 7., "Somesville") Southwest Harbor: Lorenz (1924, p. 7., "Beech Hill") town?: Lorenz (1924, p. 7., "High Head") |
| Riccardiaceae | Metzgeria | furcata | (L.) Dumort | ? | Bar Harbor: Lorenz (1924, p. 7., "Ledges, Newport Mt.") Mount Desert: Lorenz (1924, p. 7., "Pemetic") |
| Riccardiaceae | Pallavicinia | flotowiana | (Nees) Lindb. | ? | Southwest Harbor: Lorenz (1924, p. 7., "In Thuja swamp, Canada Brook, south of Appalachian Mountain club camp") |
| Riccardiaceae | Pallavicinia | lyellii | (Hook.) S. F. Gray | ? | Bar Harbor: Lorenz (1924, p. 7., "Sunken Heath Brook") Southwest Harbor: Lorenz (1924, p. 7., "Canada Brook") |
| Riccardiaceae | Riccardia | latifrons | Lindb. | ? | Bar Harbor: Lorenz (1924, p. 7., "Roberts' Meadow") |
| Riccardiaceae | Riccardia | multifida | (L.) S. F. Gray | ? | Bar Harbor: Lorenz (1924, p. 7., "Green Mt. Gorge") Mount Desert: Lorenz (1924, p. 7., "Stanley Brook") |
| Riccardiaceae | Riccardia | palmata | (Hedw.) Carruth. | ? | Mount Desert: Lorenz (1924, p. 7., "Stanley Brook") |
| Riccardiaceae | Riccardia | pinguis | (L.) S. F. Gray | ? | Mount Desert: Lorenz (1924, p. 7., "Upper Hadlock Pond") Tremont: Lorenz (1924, p. 7., "Bass Harbor") |
| Pelliaceae | Blasia | pusilla | L. | ? | Southwest Harbor: Lorenz (1924, p. 7., "Seal Cove road") |
| Pelliaceae | Fossombronia | foveolata | Lindb. | ? | Bar Harbor: Lorenz (1924, p. 8., "Bubbles Pond") Mount Desert: Lorenz (1924, p. 8., "Jordan Pond", "Ripples Pond") Southwest Harbor: Lorenz (1924, p. 8., "Canada Brook", "Manset") town?: Lorenz (1924, p. 8., "Great Pond") |
| Pelliaceae | Blasia | pusilla | L. | ? | town not given: Lorenz (1924, p. 8.) |
| Lophoziaceae | Chiloscyphus | fragilis | (Roth) Schiffn. | ? | Mount Desert: Lorenz (1924, p. 8., "northern end of Beech Mt.", "Hunter Brook") Southwest Harbor: Lorenz (1924, p. 8., "Southern end of Great Pond") |
| Lophoziaceae | Chiloscyphus | pallescens | (Ehrh.) Dumort | ? | Mount Desert: Lorenz (1924, p. 8., "Spring on Spring trail, Jordan Mt.") |
| Lophoziaceae | Chiloscyphus | rivularis | (Schrad.) Loeske | ? | Mount Desert: Lorenz (1924, p. 8., "Stanley Brook") |
| Lophoziaceae | Geocalyx | graveolens | (Schrad.) Nees | ? | Mount Desert: Lorenz (1924, p. 8., "Jordan Pond path") Southwest Harbor: Lorenz (1924, p. 8., "Beech Mt.") |
| Lophoziaceae | Jamesoniella | autumnalis | (DC.) Steph. | ? | Mount Desert: Lorenz (1924, p. 8., "Somes Pond") |
| Lophoziaceae | Jungermannia | lanceolata | L. | ? | Mount Desert: Lorenz (1924, p. 8., "Spring trail, Jordan Mt.") |
| Lophoziaceae | Jungermannia | pumila | With. | ? | Mount Desert: Lorenz (1924, p. 8., "Stanley Brook, Jordan Stream") |
| Lophoziaceae | Lophocolea | heterophylla | (Schrad.) Dumort | ? | Mount Desert: Lorenz (1924, p. 8., "Head of Great Pond", "Jordan Pond path", "near Ripples Pond") |
| Lophoziaceae | Lophozia | alpestris | (Schleich.) Evans | ? | Mount Desert: Lorenz (1924, p. 8., "Sargent Mt.") |
| Lophoziaceae | Lophozia | attenuata | (Mart.) Dumort | ? | Mount Desert: Lorenz (1924, p. 8., "Sargent Mt.") Southwest Harbor: Lorenz (1924, p. 8., "Beech Mt.") |
| Lophoziaceae | Lophozia | barbata | (Schreb.) Dumort | ? | Bar Harbor: Lorenz (1924, p. 8.) Mount Desert: Lorenz (1924, p. 8., "Brown's Mt. Notch") town?: Lorenz (1924, p. 8., "Western Mt.") |
| Lophoziaceae | Lophozia | bicrenata | (Schmid.) Dumort | ? | Mount Desert: Lorenz (1924, p. 8., "Roadside near Asticou", "Upper Hadlock Pond") |
| Lophoziaceae | Lophozia | confertifolia | Schiffn. | ? | Bar Harbor: Lorenz (1924, p. 8., "Great Head", "Otter Cliffs") Mount Desert: Lorenz (1924, p. 8., "ledges on Cliff Drive, Seal Harbor") |
| Lophoziaceae | Lophozia | incisa | (Schrad.) Dumort | ? | Bar Harbor: Lorenz (1924, p. 8., "Ocean Drive") Mount Desert: Lorenz (1924, p. 8., "Hunter Brook") town?: Lorenz (1924, p. 8., "Great Pond") |
| Lophoziaceae | Lophozia | inflata | (Huds.) M. A. Howe | ? | Bar Harbor:: Lorenz (1924, p. 9., "Ocean Drive") Mount Desert: Lorenz (1924, pp. 8-9., "Brown's Mt.", "Sargent Mt.", "Robinson Mt.") Southwest Harbor: (Lorenz, 1924, p. 9., "Beech Mt.") |
| Lophoziaceae | Lophozia | kunzeana | (Huben) Evans | ? | Mount Desert: Lorenz (1924, pp. 9., "Pemetic") town?: (Lorenz, 1924, p. 9., "Day Mt.") |
| Lophoziaceae | Lophozia | longidens | (Lindb.) Macoun | ? | Bar Harbor:: Lorenz (1924, p. 9., "Ledges near Ocean Drive") Mount Desert: Lorenz (1924, p. 9., "Giant's Slide") Southwest Harbor: (Lorenz, 1924, p. 9., "south end of Beech Mt.") |
| Lophoziaceae | Lophozia | longiflora | (Nees) Schiffn. | ? | Mount Desert: Lorenz (1924, p. 9., "Pemetic") |
| Lophoziaceae | Lophozia | marchica | (Nees) Steph. | ? | Southwest Harbor: Lorenz (1924, p. 9., "Beech Mt.") |
| Lophoziaceae | Lophozia | porphyroleuca | (Nees) Schiffn. | ? | Mount Desert: Lorenz (1924, p. 9., "Jordan Pond path") |
| Lophoziaceae | Lophozia | ventricosa | (Dicks.) Dumort | ? | Mount Desert: Lorenz (1924, p. 9., "Hunter Brook") Southwest Harbor: Lorenz (1924, p. 9., "Beech Mt.") |
| Lophoziaceae | Marsupella | aquatica | (Lindenb.) Schiffn. | ? | Mount Desert: Lorenz (1924, p. 9., "Rocks in Deer Brook") town?: Lorenz (1924, p. 9., "Western Mt.") |
| Lophoziaceae | Marsupella | emarginata | (Ehrh.) Dumort | ? | town not given: Lorenz (1924, p. 9.) |
| Lophoziaceae | Marsupella | sullivantii | (De Not.) Evans | ? | Bar Harbor: Lorenz (1924, p. 9., "Green Mt.", "Anemone Cave") Mount Desert: Lorenz (1924, p. 9., "Beech Cliff") |
| Lophoziaceae | Mylia | anomala | (Hook.) S. F. Gray | ? | Bar Harbor: Lorenz (1924, p. 9., "Aunt Betty's Pond", "Roberts' Meadow") Mount Desert: Lorenz (1924, p. 9., "Freeman Heath") |
| Lophoziaceae | Nardia | crenulata | (Sm.) Lindb. | ? | Bar Harbor: Lorenz (1924, p. 9., "Ocean Drive") Mount Desert: Lorenz (1924, p. 9., "Upper Hadlock Pond") town?: Lorenz (1924, p. 9., "Great Pond") |
| Lophoziaceae | Nardia | geoscyphus | (De Not.) Lindb. | ? | Mount Desert: Lorenz (1924, p. 9., "Upper Hadlock Pond") |
| Lophoziaceae | Nardia | obscura | Evans | ? | Bar Harbor: Lorenz (1924, p. 9., "Green Mt. Gorge") Mount Desert: Lorenz (1924, p. 9., "Hunter Brook", "Stanley Brook", "Spring on Jordan Mt. trail") |
| Lophoziaceae | Plagiochila | asplenioides | (L.) Dumort | ? | Mount Desert: Lorenz (1924, p. 9., "Hunter Brook") Southwest Harbor: Lorenz (1924, p. 9., "northern end of Beech Mt.") town?: Lorenz (1924, p. 9., "Cold Brook", "Intervale Brook") |
| Lophoziaceae | Sphenolobus | exsectaeformis | (Breidl.) Steph. | ? | Bar Harbor: Lorenz (1924, p. 9., "Ledges near Ocean Drive") |
| Lophoziaceae | Sphenolobus | exsectus | (Schmid.) Steph. | ? | Mount Desert: Lorenz (1924, p. 9., "Seal Harbor", "Spring trail to Jordan Mt.") town?: Lorenz (1924, p. 9., "new Appalachian Mountain Club path") |
| Lophoziaceae | Sphenolobus | hellerianus | (Nees) Steph. | ? | Bar Harbor: Lorenz (1924, p. 10., "Head of Green Mt. Gorge") Mount Desert: Lorenz (1924, p. 10., "Seal Harbor") |
| Lophoziaceae | Sphenolobus | michauxii | (Web.) Steph. | ? | Mount Desert: Lorenz (1924, p. 10., "Seal Harbor") |
| Lophoziaceae | Sphenolobus | minutus | (Crantz) Steph. | ? | Mount Desert: Lorenz (1924, p. 10., "Giant's Slide", "Brown's Mt. Notch") Southwest Harbor: Lorenz (1924, p. 10., "Northern end of Beech Mt.") |
| Cephaloziellaceae | Cephaloziella | bifida | (Schreb.) Shiffn. | ? | town?: Lorenz (1924, p. 10., "Day Mt.") |
| Cephaloziellaceae | Cephaloziella | byssacea | (Roth) Warnst. | ? | Mount Desert: Lorenz (1924, p. 10., "Sargent Drive", "Sargent Mt.") Southwest Harbor: Lorenz (1924, p. 10., "Robinson Mt.") |
| Cephaloziellaceae | Cephaloziella | elachista | (Jack) Shiffn. | ? | Bar Harbor: Lorenz (1924, p. 10., "Roberts' Meadow") |
| Cephaloziellaceae | Cephaloziella | hampeana | (Nees) Shiffn. | ? | Mount Desert: Lorenz (1924, p. 10., "Seal Harbor") town?: Lorenz (1924, p. 10. "Great Pond") |
| Cephaloziaceae | Bazzania | trilobata | (L.) S. F. Gray | ? | Mount Desert: Lorenz (1924, p. 10., "Hadlock Upper Pond", "Brown's Mt.") Southwest Harbor: Lorenz (1924, p. 10., northern foot of Beech Mt." town?: Lorenz (1924, p. 10. "Interlaken Brook", "Cold Brook") |
| Cephaloziaceae | Bazzania | denudata | (Torrey) Trevis. | ? | Mount Desert: Lorenz (1924, p. 10., "Spring trail to Jordan Mt.") |
| Cephaloziaceae | Calyphogeia | fissa | (L.) Raddi. | ? | Mount Desert: Lorenz (1924, p. 10., "Seal Harbor") |
| Cephaloziaceae | Calyphogeia | neesiana | (Massal. & Carest.) C. M. Frib | ? | Mount Desert: Lorenz (1924, p. 10., "Jordan Pond path") |
| Cephaloziaceae | Calyphogeia | sphagnicola | (Arn. & Perss.) Warnst. & Loeske | ? | Bar Harbor: Lorenz (1924, p. 10., "Roberts' Meadow") |
| Cephaloziaceae | Calyphogeia | suecica | (Arn. & Perss.) K. Müll. | ? | Mount Desert: Lorenz (1924, p. 10., "Jordan Pond path") |
| Cephaloziaceae | Calyphogeia | sullivantii | Aust. | ? | Mount Desert: Lorenz (1924, p. 10., "Upper Hadlock Pond") |
| Cephaloziaceae | Calyphogeia | trichomanis | (L.) Corda. | ? | Mount Desert: Lorenz (1924, p. 10., "Jordan Pond path") town?: Lorenz (1924, p. 10., "Wood road to Western Mt.") |
| Cephaloziaceae | Cephalozia | bicuspidata | (L.) Dumort | ? | Bar Harbor: Lorenz (1924, p. 10., "Great Head") Mount Desert: Lorenz (1924, p. 10., "Jordan Pond trail from Northeast Harbor", "Hunter Brook") Southwest Harbor: Lorenz (1924, p. 10., "Norwood Cove") |
| Cephaloziaceae | Cephalozia | catenulata | (Hüben) Spruce | ? | Mount Desert: Lorenz (1924, p. 11., "Jordan Pond path") town?: Lorenz (1924, p. 11., "Great Pond", "near Appalachian Mountain Club camp") |
| Cephaloziaceae | Cephalozia | connivens | (Dicks.) Lindb. | ? | Bar Harbor: Lorenz (1924, p. 11., "Roberts' Meadow") |
| Cephaloziaceae | Cephalozia | curvifolia | (Dicks.) Dumort | ? | Mount Desert: Lorenz (1924, p. 11., "Jordan Pond path") town?: Lorenz (1924, p. 11., "Northwest Arm woods") |
| Cephaloziaceae | Cephalozia | fluitans | (Nees) Spruce | ? | Bar Harbor: Lorenz (1924, p. 11., "Sunken Heath", "Upper Breaknect Pond") |
| Cephaloziaceae | Cephalozia | macrostachya | Kaal. | ? | Bar Harbor: Lorenz (1924, p. 11., "Sunken Heath") |
| Cephaloziaceae | Cephalozia | media | Lindb. | ? | Mount Desert: Lorenz (1924, p. 11., "Jordan Pond path") Southwest Harbor: Lorenz (1924, p. 11., "Beech Mt.") |
| Cephaloziaceae | Lepidozia | reptans | (L.) Dumort | ? | Mount Desert: Lorenz (1924, p. 11., "Jordan Pond path") Southwest Harbor: Lorenz (1924, p. 11., "Northern end of Beech Mt.", "Norwood Cove") |
| Cephaloziaceae | Lepidozia | setacea | (Web.) Mitt. | ? | Bar Harbor: Lorenz (1924, p. 11., "Aunt Betty's Pond", "Roberts' Meadow") |
| Cephaloziaceae | Odontoschisma | denudatum | (Mart.) Dumort | ? | Mount Desert: Lorenz (1924, p. 11., "Seal Harbor", "Appalachian Mountain Club camp") |
| Cephaloziaceae | Odontoschisma | elongatum | (Lindb.) Evans | ? | Bar Harbor: Lorenz (1924, p. 11., "Bubbles Pond") Mount Desert: Lorenz (1924, p. 11., "Jordan Pond") |
| Ptilidiaceae | Blepharostoma | trichophyllum | (L.) Dumort | ? | Mount Desert: Lorenz (1924, p. 11., "Stanley Brook", "Jordan Pond path") |
| Ptilidiaceae | Ptilidium | ciliare | (L.) Nees | ? | Bar Harbor: Lorenz (1924, p. 11., "Slopes of Green Mt.") Mount Desert: Lorenz (1924, p. 11., "Brown's Mt.", "Pemetic", "Sargent Mt.") Southwest Harbor: Lorenz (1924, p. 11., "Beech Mt.", "Dog Mt.") town?: Lorenz (1924, p. 11., "Western Mt.") |
| Ptilidiaceae | Ptilidium | pulcherrimum | (Web.) Hampe. | ? | Bar Harbor: Lorenz (1924, p. 11., "Otter Cliffs") Mount Desert: Lorenz (1924, p. 11., "Gorge between Triads", "Jordan Pond path") Southwest Harbor: Lorenz (1924, p. 11., "Beech Hill", "Great Pond road") town?: Lorenz (1924, p. 11., "near Aunt Molly's Beach") |
| Ptilidiaceae | Trichocolea | tomentella | (Ehrh.) Dumort | ? | town?: Lorenz (1924, p. 11., "Cold Brook") |
| Scapaniaceae | Diplophyllum | albicans | (L.) Dumort | ? | Mount Desert: Lorenz (1924, p. 11., "Brown's Mt. Notch", "Spring and South End trails, Jordan Mt.", "Giant's Slide") |
| Scapaniaceae | Diplophyllum | taxifolium | (Wahl.) Dumort | ? | Mount Desert: Lorenz (1924, p. 12., "West branch of Hadlock Brook", "Brown's Mt. Notch", "Spring Trail, Jordan Mt.") town?: Lorenz (1924, p. 12., "Western Mt.") |
| Scapaniaceae | Scapania | curta | (Mart.) Dumort | ? | Bar Harbor: Lorenz (1924, p. 12., "Thunder Hole", "Newport Mt.") |
| Scapaniaceae | Scapania | dentata | Dumort | ? | town?: Lorenz (1924, p. 12., "Brook-bed on Eagle Lake Carry") |
| Scapaniaceae | Scapania | irrigua | (Nees) Dumort | ? | town?: Lorenz (1924, p. 12., "shore of Great Pond") |
| Scapaniaceae | Scapania | nemorosa | (L.) Dumort | ? | Bar Harbor: Lorenz (1924, p. 12., "Green Mt. Gorge", "Upper Breakneck Pond") Mount Desert: Lorenz (1924, p. 12., "Brown's Mt.", "Jordan and Sargent Mts.", "near Ripples Pond", "Hunter Brook", "Giant's Slide", "Sargent Drive") Southwest Harbor: Lorenz (1924, p. 12., "Beech Mt.", "Dog Mt.") town?: Lorenz (1924, p. 12., "Western Mt.") |
| Scapaniaceae | Scapania | paludicola | Loeske & K. Müll. | ? | Mount Desert: Lorenz (1924, p. 12., "Pemetic") |
| Scapaniaceae | Scapania | paludosa | K. Müll. | ? | Bar Harbor: Lorenz (1924, p. 12., "Sunken Heath Brook") |
| Scapaniaceae | Scapania | umbrosa | (Schrad.) Dumort | ? | Southwest Harbor: Lorenz (1924, p. 12., "Woods, Norwood Cove") |
| Scapaniaceae | Scapania | undulata | (L.) Dumort | ? | Bar Harbor: Lorenz (1924, p. 12., "rill near Breakneck Pond", "Ocean Drive") Mount Desert: Lorenz (1924, p. 12., "Somesville", "Stanley Brook", "Jordan Pond", "Hunter Brook") town?: Lorenz (1924, p. 12., "Cold Brook", "Western Mt.") |
| Radulaceae | Radula | complanata | (L.) Dumort | ? | Mount Desert: Lorenz (1924, p. 12., "Jordan Pond path") town?: Lorenz (1924, p. 12., "Intervale Brook") |
| Radulaceae | Radula | obconica | Sull. | ? | Mount Desert: Lorenz (1924, p. 12., "Spring on Pemetic trail", "Stanley Brook") |
| Porellaceae | Porella | platyphylloidea | (Schwein.) Sull. | ? | Bar Harbor: Lorenz (1924, p. 12., "Breakneck Road") Mount Desert: Lorenz (1924, p. 12., "Seal Harbor", "Deer Brook", "Hadlock Brook", "Jordan Pond path") |
| Lejeuneaceae | Frullania | asagrayana | Mont. | ? | Mount Desert: Lorenz (1924, p. 12., "Jordan Pond path") Southwest Harbor: Lorenz (1924, p. 12., "wood road to Great Pond", "northern foot of Beech Mt."; pp. 12-13, "in woods south of Appalachian Mountain Club camp, Echo Lake") town?: Lorenz (1924, p. 12., "Eliot's Point") |
| Lejeuneaceae | Frullania | brittoniae | Evans | ? | Southwest Harbor: Lorenz (1924, p. 13., "Canada Brook") |
| Lejeuneaceae | Frullania | eboraensis | Gottsche | ? | Mount Desert: Lorenz (1924, p. 13., "Somesville", "Brown's Mt.", "Sargent Mt.", "Jordan Pond path") |
| Lejeuneaceae | Jubula | pennsylvanica | (Evans) Steph. | ? | Mount Desert: Lorenz (1924, p. 13., "Spring on Pemetic trail") town?: Lorenz (1924, p. 13., Intervale Brook") |
| Lejeuneaceae | Lejeunea | cavifolia | (Ehrh.) Lindb. | ? | Southwest Harbor: Lorenz (1924, p. 13., "Northern end of Beech Mt.") |
| Lejeuneaceae | Lejeunea | patens | Lindb. | ? | Bar Harbor: Lorenz (1924, p. 13., "Green Mt. Gorge") Mount Desert: Lorenz (1924, p. 13., "Spring on Pemetic Trail", "Stanley Brook") Southwest Harbor: Lorenz (1924, p. 13., "woods south of Appalachian Mount Club camp") |