IRMNG Taxon list
Blennothallia cheilea (Ach.) Trevis., 1853 accepted as Collema crispum sensu auct. brit.p.p. accepted as Collema bachmanianum (Fink) Degel., 1954
Collema actinoptychum Nyl., 1868
Collema aggregatum (Ach.) Röhl., 1813 accepted as Collema fasciculare (L.) Weber ex F.H. Wigg., 1780
Collema amphineum (Nyl.) Ach., 1861 accepted as Leptogium byssinum (Hoffm.) Zwackh ex Nyl., 1856
Collema areolatum Flot., 1850 accepted as Porocyphus coccodes (Flot.) Körb., 1855
Collema ascaridosporum (A. Massal.) Degel. accepted as Collema fasciculare (L.) Weber ex F.H. Wigg., 1780
Collema asperellum Ach., 1810 accepted as Placynthium asperellum (Ach.) Trevis., 1869
Collema auriculatum Hoffm., 1796 accepted as Collema auriforme (With.) Coppins & J.R. Laundon, 1984
Collema auriforme (With.) Coppins & J.R. Laundon, 1984
Collema azureum (Sw.) Ach., 1810 accepted as Leptogium azureum (Sw. ex Ach.) Mont., 1840
Collema bachmanianum (Fink) Degel., 1954
Collema biatorinum Nyl., 1856 accepted as Leptogium biatorinum (Nyl.) Leight., 1879
Collema burgessii (L.) Ach., 1810 accepted as Leptogium burgessii (L.) Mont., 1840
Collema byssinum (Hoffm.) Hoffm., 1796 accepted as Leptogium byssinum (Hoffm.) Zwackh ex Nyl., 1856
Collema callopismum A. Massal., 1856
Collema cataclystum Körb., 1855 accepted as Collema dichotomum (With.) Coppins & J.R. Laundon, 1984
Collema ceraniscum Nyl., 1865
Collema ceranoides Borrer, 1834 accepted as Collema tenax (Sw.) Ach., 1810
Collema ceranoides sensu Mudd (1861) p.p. accepted as Collema ceraniscum Nyl., 1865
Collema chalazanellum Nyl., 1876 accepted as Lempholemma chalazanellum (Nyl.) Zahlbr., 1924
Collema chalazanodes Nyl., 1869 accepted as Lempholemma chalazanodes (Nyl.) Zahlbr., 1924
Collema chalazanum Ach., 1869 accepted as Lempholemma chalazanum (Ach.) de Lesd., 1910
Collema cheileum (Ach.) Ach., 1814 accepted as Collema crispum sensu auct. brit.p.p. accepted as Collema bachmanianum (Fink) Degel., 1954
Collema cladodes Tuck., 1872 accepted as Lempholemma cladodes (Tuck.) Zahlbr., 1924
Collema coccodes Flot., 1850 accepted as Porocyphus coccodes (Flot.) Körb., 1855
Collema coccophorum Tuck., 1862
Collema coenosum Ach., 1810 accepted as Aphanopsis coenosa (Ach.) Coppins & P. James, 1984
Collema complicatum Fr., 1825 accepted as Collema cristatum sensu Hook in Smith (1833) accepted as Collema tenax (Sw.) Ach., 1810
Collema concinnum Flot., 1925 accepted as Collema tenax (Sw.) Ach., 1810
Collema confertum (Ach.) Leight., 1867
Collema confertum Hepp, 1861
Collema conglomeratum Hoffm., 1796
Collema coralliferum Degel., 1944 accepted as Collema glebulentum (Nyl. ex Cromb.) Degel., 1952
Collema corniculatum Hoffm., 1796 accepted as Obryzum corniculatum (Hoffm.) Wallr., 1825
Collema corticola Taylor, 1847 accepted as Leptogium corticola (Taylor) Tuck., 1849
Collema cretaceum (Sm.) Ach., 1810 accepted as Leptogium biatorinum (Nyl.) Leight., 1879
Collema crispum sensu auct. brit.p.p. accepted as Collema bachmanianum (Fink) Degel., 1954
Collema cristatum sensu Hook in Smith (1833) accepted as Collema tenax (Sw.) Ach., 1810
Collema cyanascens (Pers.) Rabenh., 1845 accepted as Leptogium cyanescens (Pers.) Körb., 1856
Collema cyanescens Rabenh., 1845 accepted as Leptogium cyanescens (Pers.) Körb., 1856
Collema demangeonii Moug. & Mont., 1849 accepted as Phylliscum demangeonii (Moug. & Nestl.) Nyl., 1855
Collema dichotomum (With.) Coppins & J.R. Laundon, 1984
Collema durietzii Degel., 1974
Collema epiphyllum Leight., 1859 accepted as Seuratia millardetii (Racib.) Meeker, 1975
Collema fasciculare (L.) Weber ex F.H. Wigg., 1780
Collema fimbriatum (Ach.) Röhl., 1813 accepted as Leptogium lichenoides (L.) Zahlbr., 1925
Collema flaccidum (Ach.) Ach., 1810
Collema fluviale (Huds.) Ach., 1810 accepted as Collema dichotomum (With.) Coppins & J.R. Laundon, 1984
Collema fluviatile (Huds.) Steud., 1824 accepted as Collema dichotomum (With.) Coppins & J.R. Laundon, 1984
Collema fragile Taylor, 1836
Collema fragrans (Sm.) Ach., 1814
Collema furfuraceum Du Rietz, 1929
Collema furfurellum Nyl., 1858 accepted as Porocyphus coccodes (Flot.) Körb., 1855
Collema furfureum Nyl., 1865 accepted as Pyrenopsis furfurea (Nyl.) Th. Fr., 1866
Collema furvellum Räsänen, 1940 accepted as Collema glebulentum (Nyl. ex Cromb.) Degel., 1952
Collema furvum sensu auct. brit. accepted as Collema fuscovirens (With.) J.R. Laundon, 1984
Collema fuscovirens (With.) J.R. Laundon, 1984
Collema girardii Du Rietz & Mont., 1849 accepted as Thyrea girardii (Du Rietz & Mont.) Bagl. & Carestia, 1881
Collema glaucescens Hoffm., 1796 accepted as Collema limosum (Ach.) Ach., 1810
Collema glaucophthalmum Nyl., 1858
Collema glebulentum (Nyl. ex Cromb.) Degel., 1952
Collema glomerulosum Ach., 1810 accepted as Atichia glomerulosa (Ach.) Stein, 1850
Collema granosum (Schreb.) Rabenh., 1845 accepted as Collema auriforme (With.) Coppins & J.R. Laundon, 1984
Collema granuliferum Nyl., 1875 accepted as Collema cristatum sensu Hook in Smith (1833) accepted as Collema tenax (Sw.) Ach., 1810
Collema gyrosum (Oeder) Röhl., 1813 accepted as Collema cristatum sensu Hook in Smith (1833) accepted as Collema tenax (Sw.) Ach., 1810
Collema hildenbrandii Garov., 1837 accepted as Leptogium hildenbrandii (Garov.) Nyl., 1856
Collema hydrocharum (Ach.) Ach., 1810 accepted as Leptogium plicatile (Ach.) Leight., 1879
Collema hypergenum Nyl., 1876 accepted as Collema cristatum sensu Hook in Smith (1833) accepted as Collema tenax (Sw.) Ach., 1810
Collema implicatum Nyl., 1863
Collema insulare Degel., 1974
Collema jacobeaefolium (Schrank) Gaertn., G. Mey. & Scherb., 1801 accepted as Collema cristatum sensu Hook in Smith (1833) accepted as Collema tenax (Sw.) Ach., 1810
Collema japonicum (Müll. Arg.) Hue, 1898
Collema kauaiense H. Magn., 1944
Collema lacerum (Sw.) DC., 1805 accepted as Leptogium lichenoides (L.) Zahlbr., 1925
Collema latzelii Zahlbr., 1909
Collema laureri Flot., 1850 accepted as Collema undulatum Laurer ex Flot., 1850
Collema leptaleum Tuck., 1866
Collema leucocarpum Hook. f. & Taylor, 1844
Collema lichenoides (L.) M. Choisy, 1952 accepted as Leptogium lichenoides (L.) Zahlbr., 1925
Collema lichinodeum Nyl., 1870 accepted as Lempholemma radiatum (Sommerf.) Henssen, 1968
Collema limosum (Ach.) Ach., 1810
Collema luridum Mont., 1842 accepted as Pannaria lurida (Mont.) Nyl., 1857
Collema lutosum Ach., 1814 accepted as Heppia lutosa (Ach.) Nyl., 1863
Collema marginale (Huds.) Hoffm., 1794 accepted as Collema cristatum sensu Hook in Smith (1833) accepted as Collema tenax (Sw.) Ach., 1810
Collema marginellum (Sw.) Raeusch., 1797 accepted as Leptogium marginellum (Sw.) Gray, 1821
Collema massiliense (Nyl.) M. Choisy, 1952 accepted as Leptogium massiliense Nyl., 1879
Collema melaenum (Ach.) Ach., 1810 accepted as Collema cristatum sensu Hook in Smith (1833) accepted as Collema tenax (Sw.) Ach., 1810
Collema melaenum sensu auct. accepted as Collema cristatum sensu Hook in Smith (1833) accepted as Collema tenax (Sw.) Ach., 1810
Collema menziesii (Sm.) Ach., 1810 accepted as Leptogium menziesii (Sm.) Mont., 1852
Collema metzleri (Arnold) Hepp, 1865 accepted as Collema crispum sensu auct. brit.p.p. accepted as Collema bachmanianum (Fink) Degel., 1954
Collema microcarpoides (Müll. Arg.) Zahlbr., 1924 accepted as Pyrenula microcarpoides Müll. Arg., 1895
Collema microcarpum (Müll. Arg.) Shirley, 1890 accepted as Collema fasciculare (L.) Weber ex F.H. Wigg., 1780
Collema microphyllum (Sw.) DC., 1805 accepted as Fuscopannaria leucophaea (Vahl) P.M. Jørg., 1994
Collema microphyllum Ach., 1810 accepted as Collema fragrans (Sm.) Ach., 1814
Collema monocarpum Dufour ex Schaer., 1850 accepted as Collema crispum sensu auct. brit.p.p. accepted as Collema bachmanianum (Fink) Degel., 1954
Collema multifidum (Scop.) Rabenh., 1845 accepted as Collema cristatum sensu Hook in Smith (1833) accepted as Collema tenax (Sw.) Ach., 1810
Collema multipartitum Sm., 1814
Collema muscicola (Sw.) Ach., 1810 accepted as Polychidium muscicola (Sw.) Gray, 1821
Collema myriococcum (Ach.) Ach., 1810 accepted as Lempholemma polyanthes (Bernh.) Malme, 1924
Collema nigrescens (Huds.) DC., 1805