There were 6 illustrations found for J. Speckels
18_0_0_525639 Chaetanthera sp. H. Ruíz López, J. Pavon, Fl. Peruv. Prodr.: t. 23, fig. 1 (1794)
2 510469 Heterocentron evansii AlmedaNovon, vol. 9 : p. 128, fig. 1 (1999) [J. Speckels]
2 145628 Blakea coloradensis AlmedaNovon, vol. 10 : p. 305, fig. 1 (2000) [J. Speckels]
2 145634 Blakea darcyana AlmedaNovon, vol. 10 : p. 308, fig. 2 (2000) [J. Speckels]
2 145696 Blakea perforata AlmedaNovon, vol. 10 : p. 312, fig. 3 (2000) [J. Speckels]
2 145746 Blakea wilsoniorum AlmedaNovon, vol. 10 : p. 317, fig. 4 (2000) [J. Speckels]
2 986637 Styrax trichostemon P.W.FritschNovon, vol. 14 : p. 54, fig. 4 (2004) [J. Speckels]