• T. Pócs & A. Bernecker:
  Overview of Aphanolejeunea (Jungermanniopsida) after 25 years.
  Polish Botanical Journal 2009 54(1): 1-11. <abstract> <PDF>

• M. Kulikovskiy, H. Lange-Bertalot & A. Witkowski:
  Nupela matrioschka sp. nov., Nupela thurstonensis comb. nov. and Nupela neogracillima comb & nom. nov., (Bacillariophyceae): critical analysis of their morphology.
  Polish Botanical Journal 2009 54(1): 13-20. <abstract> <PDF>

• M. Piątek:
  Sporisorium themedae, new to Mauritius, and Tilletia mauritiana, new to Madagascar.
  Polish Botanical Journal 2009 54(1): 21-26. <abstract> <PDF>

• J. Staszkiewicz:
  Euphrasia exaristata (Scrophulariaceae), a Western Carpathian endemic species new to the flora of Poland.
  Polish Botanical Journal 2009 54(1): 27-29. <abstract> <PDF>

• L. Śliwa:
  Lecanora semipallida (lichenized Ascomycota) in Poland.
  Polish Botanical Journal 2009 54(1): 31-36. <abstract> <PDF>

• L. Armata:
  Metzgeria violacea (Marchantiopsida, Metzgeriaceae) in the Polish Carpathians.
  Polish Botanical Journal 2009 54(1): 37-40. <abstract> <PDF>

• A. Ronikier & S. Adamčík:
  Critical review of Russula species (Agaricomycetes) known from Tatra National Park (Poland and Sovakia).
  Polish Botanical Journal 2009 54(1): 41-53. <abstract> <PDF>

• D. Karasiński, A. Kujawa, M. Piątek, A. Ronikier & M. Wołkowycki:
  Contribution to biodiversity assessment of European primeval forests: new records of rare fungi in the Białowieża Forest.
  Polish Botanical Journal 2009 54(1): 55-97. <abstract> <PDF>

• P. Mleczko, S. Gawroński & P. Kapusta:
  New inland localities of a rare gasteroid basidiomycete, Cleroderma septentrionale, in natural and anthropogenic habitats in Central Europe.
  Polish Botanical Journal 2009 54(1): 99-104. <abstract> <PDF>

• K. Grodzińska & G. Szarek-Łukaszewska:
  Heavy metal vegetation in the Olkusz region (southern Poland) – preliminary studies.
  Polish Botanical Journal 2009 54(1): 105-112. <abstract> <PDF>

• K. S. Rajput, V. S. Patil & K. K. Kapadne:
  Structure and development of secondary thickening meristem in Mirabilis jalapa (Nyctaginaceae).
  Polish Botanical Journal 2009 54(1): 113-121. <abstract> <PDF>

Botanical notes

• M. Kossowska & M. Węgrzyn:
  Lichens recorded on iron and glass in NE Poland.
  Polish Botanical Journal 2009 54(1): 123-124. <PDF>

• A. Łubek:
  Jamesiella anastomosans, a lichen species new to Poland.
  Polish Botanical Journal 2009 54(1): 125-127. <PDF>

• A. Z. Wojtal:
  The diatoms of Kobylanka stream near Kraków (Wyżyna Krakowsko-Częstochowska upland, S Poland).
  Polish Botanical Journal 2009 54(2): 129-330. <abstract> <PDF>

• New names and combinations appearing in Polish Botanical Journal Vol. 54.
  Polish Botanical Journal 2009 54(1,2): 331. <PDF>