Authors: Frey, W Hilger, HH

Citation: W. Frey et Hh. Hilger, The gametophyte-sporophyte junction in Apotreubia hortonae (Treubiaceae, Hepaticophytina): Structure and systematic implications, NOVA HEDWIG, 72(3-4), 2001, pp. 339-345

Authors: Hilger, HH Bohle, UR

Citation: Hh. Hilger et Ur. Bohle, Pontechium: a new genus distinct from Echium and Lobostemon (Boraginaceae), TAXON, 49(4), 2000, pp. 737-746

Authors: Stech, M Frahm, JP Hilger, HH Frey, W

Citation: M. Stech et al., Molecular relationship of Treubia Goebel (Treubiaceae, Treubiopsida) and high taxonomic level classification of the Hepaticophytina - Studies in austral temperate rain forest bryophytes 6, NOVA HEDWIG, 71(1-2), 2000, pp. 195-208