1. Species Mesophyllum aesitante (Conti) Me.Lemoine
2. Species Mesophyllum aleuticum Lebednik, 2004
3. Species Mesophyllum alternans (Foslie) Cabioch & M.L.Mendoza, 1998
4. Species Mesophyllum brachycladum (Foslie) W.H.Adey, 1970
5. Species Mesophyllum conchatum (Setchell & Foslie) W.H.Adey, 1970
6. Species Mesophyllum concretum (M.Howe) Me.Lemoine
7. Species Mesophyllum crassiusculum (Foslie) Lebednik, 2004
8. Species Mesophyllum crenulatum (Foslie) W.H.Adey
9. Species Mesophyllum crispescens (Foslie) Me.Lemoine, 1954
10. Species Mesophyllum cystocarpideum (Foslie) W.H.Adey, 1970
11. Species Mesophyllum ectocarpon (Foslie) W.H.Adey, 1970
12. Species Mesophyllum engelhartii (Foslie) W.H.Adey, 1970
13. Species Mesophyllum eniwetokense J.H.Johnson
14. Species Mesophyllum exasperatum (Foslie) W.H.Adey, 1970
15. Species Mesophyllum expansum (Philippi) Cabioch & M.L.Mendoza, 2003
16. Species Mesophyllum fluatum W.H.Adey, R.A.Townsend & Boykins, 1982
17. Species Mesophyllum fragilissimum (Foslie) Me.Lemoine, 1928
18. Species Mesophyllum gignouxii Me.Lemoine, 1939
19. Species Mesophyllum haptericola (Foslie) W.H.Adey, 1970
20. Species Mesophyllum hashimotoi Ishijima
21. Species Mesophyllum horthocarpum Mastrorilli
22. Species Mesophyllum imbricatum (Dickie) W.H.Adey, 1970
23. Species Mesophyllum incertum (Foslie) Me.Lemoine, 1928
24. Species Mesophyllum insigne (Foslie) W.H.Adey, 1970
25. Species Mesophyllum iraqense Johnson
26. Species Mesophyllum kuehnemannii M.L.Mendoza, 1977
27. Species Mesophyllum lamellatum (Setchell & Foslie) W.H.Adey, 1970
28. Species Mesophyllum laxum Me.Lemoine, 1929
29. Species Mesophyllum lemoineae Souaya
30. Species Mesophyllum lichenoides (J.Ellis) Me.Lemoine, 1928
31. Species Mesophyllum macedonis Athanasiadis, 1999
32. Species Mesophyllum macroblastum (Foslie) W.H.Adey, 1970
33. Species Mesophyllum mangoense Johnson & Farris
34. Species Mesophyllum mazzapiedense Mastrorilli
35. Species Mesophyllum megagastri Athanasiadis, 2007
36. Species Mesophyllum mesomorphum (Foslie) W.H.Adey, 1970
37. Species Mesophyllum niinoi Ishijima
38. Species Mesophyllum nipponicum Ishijima, 1954
39. Species Mesophyllum nitidum (Foslie) W.H.Adey, 1970
40. Species Mesophyllum obsitum Airoldi
41. Species Mesophyllum ornatum (Foslie & M.Howe) Athanasiadis, 1999
42. Species Mesophyllum pacificum Johnson
43. Species Mesophyllum paronai (Raineri) Me.Lemoine
44. Species Mesophyllum peruvianum Johnson & Tafur
45. Species Mesophyllum pfenderae (Me.Lemoine) Me.Lemoine
46. Species Mesophyllum philippii (Foslie) Adey, 1970
47. Species Mesophyllum piuranum Branson
48. Species Mesophyllum piuranum Johnson & Tafur
49. Species Mesophyllum prolifer (Foslie) W.H.Adey
50. Species Mesophyllum pulchrum (Weber-van Bosse & Foslie) Me.Lemoine, 1928
51. Species Mesophyllum punjabense Varma
52. Species Mesophyllum rigidum Mastrorilli
53. Species Mesophyllum roveretoi Conti
54. Species Mesophyllum savornini L.E.Lemoine
55. Species Mesophyllum schenkii
56. Species Mesophyllum siamense (Foslie) W.H.Adey, 1970
57. Species Mesophyllum sphaericum V.Pena, Bárbara, W.H.Adey, Riosmena-Rodrigues & H.G.Choi, 2011
58. Species Mesophyllum squamuliforme (Foslie) W.H.Adey, 1970
59. Species Mesophyllum stenopon Athanasiadis, 2007
60. Species Mesophyllum suganum (Rothpletz) Airoldi
61. Species Mesophyllum syntrophicum (Foslie) W.H.Adey, 1970
62. Species Mesophyllum syrphetodes W.H.Adey, R.A.Townsend & Boykins, 1982
63. Species Mesophyllum thelostegium (Foslie) W.H.Adey
64. Species Mesophyllum vancouveriense (Foslie) Steneck & R.T.Paine, 1986
65. Species Mesophyllum variabile (Foslie) W.H.Adey
66. Species Mesophyllum vescum (Foslie) W.H.Adey
67. Species Mesophyllum aemulans (Foslie & M.Howe) W.H.Adey, 1970 accepted as Melyvonnea aemulans (Foslie & M.Howe) Athanasiadis & D.L.Ballantine, 2014
68. Species Mesophyllum annulatum (Foslie) W.H.Adey, 1970 accepted as Phymatolithon lenormandii (J.E.Areschoug) W.H.Adey, 1966 (synonym)
69. Species Mesophyllum arcticum (Kjellman) Athanasiadis, 1996 accepted as Leptophytum arcticum (Kjellman) Athanasiadis, 2007 (synonym)
70. Species Mesophyllum aucklandicum (Foslie) W.H.Adey, 1970 accepted as Mesophyllum engelhartii (Foslie) W.H.Adey, 1970 (synonym)
71. Species Mesophyllum australe (Foslie) Me.Lemoine accepted as Lithothamnion australe Foslie, 1904
72. Species Mesophyllum canariense (Foslie) Me.Lemoine, 1928 accepted as Melyvonnea canariensis (Foslie) Athanasiadis & D.L.Ballantine, 2014
73. Species Mesophyllum capense (Rosanoff) Y.M.Chamberlain, 2000 accepted as Capensia fucorum (Esper) A.Athanasiadis, 2017
74. Species Mesophyllum caraiensis (Foslie) M.Lemoine accepted as Mesophyllum canariense (Foslie) Me.Lemoine, 1928 accepted as Melyvonnea canariensis (Foslie) Athanasiadis & D.L.Ballantine, 2014
75. Species Mesophyllum chatamense (Foslie) W.H.Adey, 1970 accepted as Perithallis chatamensis (Foslie) Athanasiadis, 2021
76. Species Mesophyllum corallioides (P.L.Crouan & H.M.Crouan) Me.Lemoine accepted as Lithothamnion corallioides (P.Crouan & H.Crouan) P.Crouan & H.Crouan, 1867
77. Species Mesophyllum discrepans (Foslie) Me.Lemoine, 1928 accepted as Mesophyllum engelhartii (Foslie) W.H.Adey, 1970
78. Species Mesophyllum erubescens (Foslie) Me.Lemoine, 1928 accepted as Melyvonnea erubescens (Foslie) Athanasiadis & D.L.Ballantine, 2014
79. Species Mesophyllum ferox (Foslie) W.H.Adey, 1970 accepted as Leptophytum ferox (Foslie) Y.M.Chamberlain & Keats, 1994
80. Species Mesophyllum floridanum (Foslie) W.H.Adey ex M.J.Wynne, 1986 accepted as Lithothamnion floridanum Foslie, 1906
81. Species Mesophyllum fuegianum (Foslie) W.H.Adey, 1970 accepted as Lithothamnion fuegianum (Foslie) Foslie, 1906
82. Species Mesophyllum fumigatum (Foslie) W.H.Adey, 1970 accepted as Mesophyllum engelhartii (Foslie) W.H.Adey, 1970 (synonym)
83. Species Mesophyllum gabrielii (Foslie) W.H.Adey, 1970 accepted as Corallinapetra gabrielii (Foslie) S.Y.Jeong, W.A.Nelson, B.Y.Won & T.O.Cho, 2021 (unaccepted > junior objective synonym)
84. Species Mesophyllum incisum (Foslie) W.H.Adey, 1970 accepted as Perithallis incisa (Foslie) Athanasiadis, 2021
85. Species Mesophyllum lemniscatum (Foslie) W.H.Adey, 1970 accepted as Mesophyllum engelhartii (Foslie) W.H.Adey, 1970 (synonym)
86. Species Mesophyllum madagascarense (Foslie) W.H.Adey, 1970 accepted as Melyvonnea madagascariensis (Foslie) Athanasiadis & D.L.Ballantine, 2014
87. Species Mesophyllum neglectum (Foslie) W.H.Adey, 1970 accepted as Synarthrophyton neglectum (Foslie) M.L.Mendoza, 1992 (synonym)
88. Species Mesophyllum patena (J.D.Hooker & Harvey) R.W.Ricker, 1987 accepted as Synarthrophyton patena (Hooker f. & Harvey) R.A.Townsend, 1979
89. Species Mesophyllum printzianum Woelkerling & A.S.Harvey, 1993 accepted as Printziana australis Athanasaidis, 2021
90. Species Mesophyllum proliferum (Foslie) W.H.Adey, 1970 accepted as Lithothamnion proliferum Foslie, 1904
91. Species Mesophyllum prolixum (Foslie) W.H.Adey, 1970 accepted as Leptophytum ferox (Foslie) Y.M.Chamberlain & Keats, 1994
92. Species Mesophyllum purpurascens (Foslie) W.H.Adey, 1970 accepted as Mesophyllum funafutiense (Foslie) Verheij, 1993
93. Species Mesophyllum reinhardtii N.L.Gardner accepted as Chlorochytrium cohnii E.P.Wright, 1877
94. Species Mesophyllum rupestre (Foslie) Adey, 1970 accepted as Harveylithon rupestre (Foslie) A.Rösler, Perfectti, V.Peña & J.C.Braga, 2016
95. Species Mesophyllum schmitzii (Hariot) Mendoza, 1977 accepted as Synarthrophyton schmitzii (Hariot) M.L.Mendoza, S.Molina & P.Ventura, 1996 (synonym)
96. Species Mesophyllum speciosum (Foslie) W.H.Adey, 1970 accepted as Mesophyllum engelhartii (Foslie) W.H.Adey, 1970
97. Species Mesophyllum superpositum (Foslie) W.H.Adey, 1970 accepted as Roseolithon superpositum (Foslie) P.W.Gabrielson, Maneveldt, Hughey & V.Peña, 2023
98. Species Mesophyllum tenue (Kjellman) Lebednik, 1975 accepted as Leptophytum tenue (Kjellman) Athanasiadis & W.H.Adey, 2006
99. Species Mesophyllum versicolor (Foslie) W.H.Adey, 1970 accepted as Mesophyllum engelhartii (Foslie) W.H.Adey, 1970 (synonym)
100. Species Mesophyllum whidbeyense (Foslie) W.H.Adey, 1970 accepted as Pseudolithophyllum whidbeyense (Foslie) Steneck & R.T. Paine, 1986 (synonym)
101. Species Mesophyllum capilliforme Mastrorilli (uncertain)
102. Species Mesophyllum contractum Maslov (uncertain)
103. Species Mesophyllum daviesii S.R.Narayana Rao (uncertain)
104. Species Mesophyllum fecundus Johnson & Ferris (uncertain)
105. Species Mesophyllum flexile Mastrorilli (uncertain)
106. Species Mesophyllum fructiferum Airoldi (uncertain)
107. Species Mesophyllum funafutiense (Foslie) Verheij, 1993 (uncertain)
108. Species Mesophyllum galettoi Mastrorilli (uncertain)
109. Species Mesophyllum grande J.H.Johnson (uncertain)
110. Species Mesophyllum guamense J.H.Johnson (uncertain)
111. Species Mesophyllum inconspicuum (Foslie) W.H.Adey, 1970 (uncertain)
112. Species Mesophyllum ishigakiense Johnson (uncertain)
113. Species Mesophyllum isthmi (Howe) Lemoine (uncertain)
114. Species Mesophyllum kutense Maslov (uncertain)
115. Species Mesophyllum navarroi Airoldi (uncertain)
116. Species Mesophyllum prepulchrum Johnson & Ferris (uncertain)
117. Species Mesophyllum robustum J.H.Johnson (uncertain)
118. Species Mesophyllum ryukyuense Johnson (uncertain)
119. Species Mesophyllum simulans (Foslie) Me.Lemoine, 1928 (uncertain)
120. Species Mesophyllum varitextum Mastrorilli (uncertain)

 The webpage text is licensed under a Creative Commons Attribution 4.0 License