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  1. Indigo and Ochre I
  2. Indigo and Ochre II
  3. Watercolor Herbs V
  4. Herb Chart on Black
  5. Watercolor Herbs IV
  6. Very old olive tree, Kefalonia, Ionian Islands, Greece
  7. Dandelion - Botanical Illustration
  8. Herb Chart
  9. Typical Animal Cell and Plant Cell
  10. Mushroom Chart I
  11. Redwood forest, Ventana, Big Sur, California
  12. My Greenhouse Botanical I
  13. Volvox colony, light micrograph
  14. Spirogyra algae, light micrograph
  15. Watermark Foliage III
  16. Winter flowers and almond trees in blossom in Lower Galilee, Israel, Middle East
  17. Cumberland Gap, Kentucky
  18. Horse Chestnut - Botanical Illustration
  19. My Greenhouse Botanical IV
  20. Ocho Rios, Jamaica, West Indies, Caribbean, Central America
  21. In the Forest IX
  22. My Greenhouse Botanical II
  23. Window with shutters and window box, Italy
  24. Cell
  25. Cell
  26. Watermark Foliage IV
  27. Orchid, Antigua, West Indies, Caribbean
  28. Apple Tree - Botanical Illustration
  29. Sunflower - Botanical Illustration
  30. Botanical Floral Chart I Black And White
  31. Bluebird Branch II
  32. In the Forest VIII
  33. Bracken rhizome, light micrograph
  34. Plant cell
  35. Fall Bouquet
  36. Heroic Peony
  37. Sub-tropical forest and coastline, Hunting Island State Park, South Carolina
  38. Castor oil stem, light micrograph
  39. My Greenhouse Botanical III
  40. Geraniaceae Plate 319
  41. Wood. Scanning electron microscope (SEM)
  42. Cherry Tree - Botanical Illustration
  43. Growth rings of a scots pine tree
  44. Neutral Botanical III
  45. Wild Flowers
  46. Geraniaceae Plate 306
  47. Magnolia Flowers, 19th-Century Artwork
  48. Amalfi Gerbera Daisies