Ecological posters & prints

Alexander von Humboldt, Prussian naturalist and explorer Anonymous

Alexander von Humboldt, German author, naturalist and explorer, 1847. Hermann Biow

Red algae. Florideae Ernst Haeckel

Algae. Diatomea Ernst Haeckel

Algae. Fucoideae Ernst Haeckel

Frogs. Batrachia Ernst Haeckel

Conifers. Coniferae Ernst Haeckel

Mechanized world Anonymous

Aquatic animals. Campanariae Ernst Haeckel

Aquatic and terrestrial snails. Prosobranchia Ernst Haeckel

Sea urchins and sand dollars. Echinidea Ernst Haeckel

Aquatic animals. Campanariae Ernst Haeckel

Algae in the genus Pediastrum. Melethallia Ernst Haeckel

Microorganisms. Peridinea Ernst Haeckel

Aquatic and terrestrial snails. Prosobranchia Ernst Haeckel

Algae. Diatomea Ernst Haeckel

Invertebrates. Thoracostraca Ernst Haeckel

Algae. Diatomea Ernst Haeckel

Algae. Diatomea Ernst Haeckel

Lichens. Lichenes Ernst Haeckel

Algae. Desmidiea Ernst Haeckel

Algae. Fucoideae Ernst Haeckel

Microorganisms. Peridinea Ernst Haeckel

Aquatic invertebrates. Bryozoa Ernst Haeckel

Aquatic invertebrates. Bryozoa Ernst Haeckel

Alexander von Humboldt, German naturalist, c1830 William Home Lizars

Calcareous sponges. Calcispongiae Ernst Haeckel

Microorganisms. Thalamophora Ernst Haeckel

Illustration showing a variety of chaetopoda or spined marine worms. Chaetopoda Ernst Haeckel

Microorganisms. Spyroidea Ernst Haeckel

Aquatic invertebrates. Bryozoa Ernst Haeckel

Illustration showing a variety of copopod crustaceans. Copepoda Ernst Haeckel

Microorganisms. Phaeodaria Ernst Haeckel

Seaweed. Siphoneae Ernst Haeckel

Illustration showing a variety of mollusks. Acephala Ernst Haeckel

Microorganisms. Phaeodaria Ernst Haeckel