Haug, Ingeborg (2002). "Identification of Picea-ectomycorrhizae by comparing DNA-sequences". Mycological Progress. 1 (2): 167–178. doi:10.1007/s11557-006-0016-9. S2CID35684210.
Agerer, Reinhard (2011). "Asexual reproduction of Hygrophorus olivaceoalbus by intracellular microsclerotia in root cells of Picea abies – a winner of ozone stress?". Mycological Progress. 11 (2): 425–434. doi:10.1007/s11557-011-0757-y. S2CID689597.
Batsch, August Johann Georg Karl (1783). Elenchus fungorum (in Latin and German). Halle an der Saale, Germany: sumptibus E. Mauritii. p. 67. Archived from the original on March 3, 2016. Retrieved June 3, 2012.
Haug, Ingeborg (2002). "Identification of Picea-ectomycorrhizae by comparing DNA-sequences". Mycological Progress. 1 (2): 167–178. doi:10.1007/s11557-006-0016-9. S2CID35684210.
Agerer, Reinhard (2011). "Asexual reproduction of Hygrophorus olivaceoalbus by intracellular microsclerotia in root cells of Picea abies – a winner of ozone stress?". Mycological Progress. 11 (2): 425–434. doi:10.1007/s11557-011-0757-y. S2CID689597.
umich.edu
quod.lib.umich.edu
Hesler, Lexemuel Ray; Smith, Alexander H. (1963). North American species of Hygrophorus. Knoxville, USA: University of Tennessee Press. pp. 291–295.
Batsch, August Johann Georg Karl (1783). Elenchus fungorum (in Latin and German). Halle an der Saale, Germany: sumptibus E. Mauritii. p. 67. Archived from the original on March 3, 2016. Retrieved June 3, 2012.