[380] Schulte 1904.
[382] Lutz 1894.
[383] Peirce 1898.
[384] Zopf 1903.
[385] Lindau 1895.
[386] Brandt 1906.
[387] Porter 1916.
[388] Darbishire 1898.
[389] Wainio 1880.
[390] Krabbe 1891.
[391] Wainio 1897.
[392] Wainio 1880.
[393] Krabbe 1891.
[394] Krabbe 1891.
[395] Baur 1904.
[396] Wainio 1880.
[397] Chodat 1913.
[398] Wainio 1897.
[399] Baur 1904.
[400] Wainio 1897.
[401] Wainio 1897.
[402] Lindsay 1859, p. 171.
[403] Wainio 1897.
[404] Wainio 1897, p. 9.
[405] Wainio 1880.
[406] Krabbe 1891.
[407] Necker 1871.
[408] Persoon 1794.
[409] Acharius 1803.
[410] Wallroth 1829, p. 61.
[411] Tulasne 1852.
[412] Koerber 1855.
[413] Reinke 1894.
[414] Sättler 1914.
[415] Nienburg 1908.
[417] Wainio 1897.
[418] Baur 1904.
[419] Wolff 1905.
[420] Aigret 1901.
[421] Wainio 1897.
[422] Wainio 1890, p. 67.
[423] Reinke 1895.
[424] Nylander 1858, p. 63.
[425] Acharius 1810, p. 12.
[426] Haller 1768, p. 85.
[427] Schreber 1791, p. 768.
[428] Meyer 1825, p. 148.
[429] Delise 1822.
[430] Nylander 1858, p. 14.
[431] Nylander 1860, p. 333.
[432] Schwendener 1863, p. 169.
[433] Wainio 1890, I. p. 183.
[434] Schwendener 1863, p. 169.
[435] Stizenberger 1895.
[436] Zukal 1895, p. 1355.
[437] Wainio 1909.
[438] Schwendener 1863, p. 169.
[439] Jatta 1889, p. 48.
[440] Zukal 1895, p. 1357.
[441] Rosendahl 1907.
[442] Zukal 1895.
[443] Reinke 1895, p. 183.
[444] Darbishire 1901.
[445] Brandt 1906.
[446] Bitter 1899.
[447] Nylander 1874².
[448] Bitter 1901².
[449] Zukal 1895, p. 1348.
[450] Acharius 1803.
[451] Hue 1904 and 1910.
[452] Flörke 1815, IV. p. 15.
[453] Wallroth 1825, p. 678.
[454] Th. M. Fries 1858.
[455] Forssell 1884.
[456] Leighton 1869.
[457] Nylander 1878.
[458] Schneider 1897.
[459] Hue 1910.
[460] Hue 1910.
[461] Tuckerman 1875.
[462] Schneider 1897, p. 58.
[463] Nylander 1869.
[464] Bornet 1873, p. 72.
[465] Forssell 1885, p. 24.
[466] Riddle 1910.
[467] Babikoff 1878.
[468] Th. M. Fries 1866.
[469] Winter 1877.
[470] Schneider 1897.
[471] Etard and Bouilhac 1898.
[472] Hue 1910.
[473] Sernander 1907.
[474] Bitter 1904.
[475] Bitter 1904.
[476] Linkola 1913.
[477] Acharius, 1798, p. xix, and 1810, pp. 8 and 10.
[478] Malpighi, 1686, p. 50, pl. 27, fig. 106.
[479] Micheli 1729, pp. 73, 74.
[480] Linnaeus 1737, p. 325.
[481] Hedwig 1798.
[482] Sprengel 1807, Letter XXIII.
[483] Wallroth 1825, I. p. 595.
[484] Koerber 1841.
[485] Schwendener 1860.
[486] Meyer 1825, p. 170.
[487] Krabbe 1891.
[488] Bitter 1901.
[489] Schwendener 1860, p. 137.
[490] Wainio 1897, p. 32.
[491] Reinke 1895, p. 380.
[492] Bitter 1901.
[493] Lesdain 1910.
[494] Schwendener 1860.
[495] Nilson 1903.
[496] Darbishire 1897.
[497] Bitter 1901, p. 191.
[498] Krabbe 1891.
[499] Darbishire 1907.
[500] Tobler 1911², 11.
[501] Bitter 1901².
[502] Lindau 1895.
[503] Nilson 1903.
[504] Bitter 1904.
[505] Acharius 1798, pp. 2, 87.
[506] Fries 1825.
[507] Hooker 1833.
[508] Taylor 1836.
[509] Rosendahl 1907.
[510] Bitter 1899.
[511] Nilson 1903.
[512] Kajanus (Nilson) 1911.
[513] Zopf 1903.
[514] Zopf 1905².
[515] Bitter 1899.
[516] Swartz 1788.
[517] Gmelin 1791.
[518] Woodward 1797.
[519] Fries 1825.
[520] Nylander 1855.
[521] Mattirolo 1881.
[522] Johow 1884.
[523] Wainio 1890.
[524] Möller 1893.
[525] Malpighi 1686.
[526] Tournefort 1694.
[527] Morison 1699.
[528] Micheli 1729.
[529] Micheli, Pls. 52 and 56.
[530] Dillenius 1741.
[531] Linnaeus 1737.
[532] Necker 1771, p. 257.
[533] Scopoli 1772.
[534] Koelreuter 1777.
[535] Hoffmann 1784.
[536] Hedwig 1784.
[537] Acharius 1810.
[538] Hornschuch 1821.
[539] Wallroth 1825.
[540] Meyer 1825.
[541] Sprengel 1804.
[542] Luyken 1809.
[543] Persoon 1801.
[545] Wainio 1890.
[546] Tulasne 1852.
[547] Fuisting 1868.
[548] Stahl 1877.
[549] Borzi 1878.
[550] Baur 1898.
[551] Fünfstück (1902) suggests that the lichen worked at by Baur is Collema cheileum Ach.
[552] Krabbe 1883.
[553] Mäule 1891.
[554] F. Bachmann 1912.
[555] This species of Collema has been described as Collemodes Bachmannianum by Bruce Fink 1918.
[556] F. Bachmann 1913.
[557] Wainio I. 1890.
[558] Wolff 1905.
[559] Stahl 1877.
[560] Forssell 1885².
[561] Zukal 1887, p. 42.
[562] Borzi 1878.
[563] Lindau 1888.
[564] Mäule 1891.
[565] Darbishire 1900.
[566] Baur 1904.
[567] Lindau 1888.
[568] Darbishire 1900.
[570] Nienburg 1908.
[571] Wainio I. 1890.
[572] Darbishire 1900.
[573] Baur 1901.