• Ochnaceae, Guttiferae & Violaceae 

      Marloth, R. (Rudolf), 1855-1931 (1925)
      Plate 64 from The flora of South Africa (vol. 2, part 2) featuring Ochnaceae, Guttiferae & Violaceae.
    • Oleaceae 

      Marloth, R. (Rudolf), 1855-1931 (1932)
      Plate 13 from The flora of South Africa (vol. 3, part 1) featuring Oleaceae.
    • Oliniaceae, Lythraceae & Oenotheraceae 

      Marloth, R. (Rudolf), 1855-1931 (1925)
      Plate 76 from The flora of South Africa (vol. 2, part 2) featuring Oliniaceae, Lythraceae & Oenotheraceae.
    • Orchidaceae & Diseae 

      Marloth, R. (Rudolf), 1855-1931 (1915)
      Plate 59 from The flora of South Africa (vol. 4) featuring Orchidaceae & Diseae.
    • Orchidaceae & Ophrydeae-Diseae 

      Marloth, R. (Rudolf), 1855-1931 (1915)
      Plate 57 from The flora of South Africa (vol. 4) featuring Orchidaceae & Ophrydeae-Diseae.
    • Orchidaceae & Ophrydeae-Diseae 

      Marloth, R. (Rudolf), 1855-1931 (1915)
      Plate 58 from The flora of South Africa (vol. 4) featuring Orchidaceae & Ophrydeae-Diseae.
    • Orchidaceae & Ophrydeae-Diseae 

      Marloth, R. (Rudolf), 1855-1931 (1915)
      Plate 56 from The flora of South Africa (vol. 4) featuring Orchidaceae & Ophrydeae-Diseae.
    • Orchidaceae, Dendrobieae, Cymbidieae & Eulophieae 

      Marloth, R. (Rudolf), 1855-1931 (1915)
      Plate 53 from The flora of South Africa (vol. 4) featuring Orchidaceae, Dendrobieae, Cymbidieae & Eulophieae.
    • Orchidaceae, Habenarieae & Disperideae 

      Marloth, R. (Rudolf), 1855-1931 (1915)
      Plate 55 from The flora of South Africa (vol. 4) featuring Orchidaceae, Habenarieae & Disperideae.
    • Orobanchaceae & Lentibulariaceae 

      Marloth, R. (Rudolf), 1855-1931 (1932)
      Plate 43 from The flora of South Africa (vol. 3, part 2) featuring Orobanchaceae & Lentibulariaceae.
    • Oxalidaceae 

      Marloth, R. (Rudolf), 1855-1931 (1925)
      Plate 33 from The flora of South Africa (vol. 2, part 1) featuring Oxalidaceae.
    • Palmae 

      Marloth, R. (Rudolf), 1855-1931 (1915)
      Plate 11 from The flora of South Africa (vol. 4) featuring Palmae.
    • Papaveraceae & Capparidaceae 

      Marloth, R. (Rudolf), 1855-1931 (1913)
      Plate 63 from The flora of South Africa (vol. 1) featuring Papaveraceae & Capparidaceae.
    • Pedaliaceae 

      Marloth, R. (Rudolf), 1855-1931 (1932)
      Plate 41 from The flora of South Africa (vol. 3, part 2) featuring Pedaliaceae.
    • Plantaginaceae & Rubiaceae (Galieae and Anthospermeae) 

      Marloth, R. (Rudolf), 1855-1931 (1932)
      Plate 48 from The flora of South Africa (vol. 3, part 2) featuring Plantaginaceae & Rubiaceae (Galieae and Anthospermeae).
    • Plumbaginaceae 

      Marloth, R. (Rudolf), 1855-1931 (1932)
      Plate 9 from The flora of South Africa (vol. 3, part 1) featuring Plumbaginaceae.
    • Podostemonaceae, Pittosporaceae, Cunoniaceae & Myrothamnaceae 

      Marloth, R. (Rudolf), 1855-1931 (1925)
      Plate 11 from The flora of South Africa (vol. 2, part 1) featuring Podostemonaceae, Pittosporaceae, Cunoniaceae & Myrothamnaceae.
    • Polygalaceae & Dichapetalaceae 

      Marloth, R. (Rudolf), 1855-1931 (1925)
      Plate 41 from The flora of South Africa (vol. 2, part 1) featuring Polygalaceae & Dichapetalaceae.
    • Polygonaceae, Nyctaginaceae & Phytolaccaceae 

      Marloth, R. (Rudolf), 1855-1931 (1913)
      Plate 47 from The flora of South Africa (vol. 1) featuring Polygonaceae, Nyctaginaceae & Phytolaccaceae.
    • Portulacaceae 

      Marloth, R. (Rudolf), 1855-1931 (1913)
      Plate 55 from The flora of South Africa (vol. 1) featuring Portulacaceae.