Degelius, G 1974: The lichen genus Collema with special reference to the extra-European species. - Symbolae Bot. Upsaliensis20: 1-215. [RLL List # 92-16 / Rec.# 4179] Keywords: COLLEMA/ NEW TAXA/ KEYS/ LEMPHOLEMMA
Abstract: [77 species; key. New Collema tenax var. ogatae (Zahlbr.) stat. nov. and var. substellatum (Magn.) stat. nov., C. nipponicum sp. nov., C. texanum var. stellatum (Tuck.) stat. nov., C. almbornii sp. nov., C. callibotrys var. coccophyllizum (Zahlbr.) stat. nov., C. novozelandicum sp. nov., C. santessonii sp. nov., C. subfragrans sp. nov., C. fragrans var. mexicana (B. de Lesd.) stat. nov.and var. contiguum (Knight & Mitt.) stat. nov., C. poeltii sp. nov., C. du-rietzii sp. nov., C. leptaleum var. bilosum (Mont.) comb. nov., C. peregrinum sp. nov., C. delaikoroense sp. nov., C. laeve var. senecionis (F. Wils.) stat. nov., C. albopunctatum sp. nov., C. subflaccidum sp. nov., C. globuliferum sp. nov., C. hookeri sp. nov., C. nepalense sp. nov., C. glaucophthalmum var. implicatum (Nyl.) comb. nov., C. pulcellum var. leucopeplum (Tuck.) comb. nov. and var. subnigrescens (Mull. Arg.) comb. nov., C. furfuraceum var. luzonense (Ras.) stat. nov., C. hueanum nom. nov. (for C. nigrescens var. minutum Hue) with var. squamosum var. nov., C. shiroumanum var. kiusianum (Asah.) stat. nov., C. fasciculare var. microcarpum (Mull. Arg.) stat. nov., C. papuanorum sp. nov., C. insulare sp. nov., C. subparvum sp. nov.; Lempholemma millegrana (Mont.) comb. nov.]