The gametophyte of fern according to Leszczic-Suminski (1848).

 
 
  Part of: Gavrilov-Zimin IA (2024) Wilhelm Hofmeister (1824–1877) and the ideas of evolutionary embryonization. Comparative Cytogenetics 18: 307-313. https://doi.org/10.3897/compcytogen.18.143444