Karel Rataj

• Aquarium fishes and plants
• Aquarium Plants
• A new revision of the swordplant genus Echinodorus Richard 1848 (Alismataceae)
• Akvaristika začíná u rostlin
• Alismataceae of Brazil
• Aquarium fishes and plants
• Contribution to the knowledge of Echinodorus macrophyllus (Kunth) Mich. and E. scaber Rataj from tropical America
• Echinodorus grandiflorus (Cham. et Schlecht.) Mich., its geographical distribution and variability
• Echinodorus longipetalus Mich. and other species with reticulate markings in the blades from Central and South America
• Echinodorus longiscapus Arech. y su dispersión en la America latina
• Revision of the genus Cryptocoryne Fischer
• Revision of the genus Sagittaria