Calcium oxalate crystals in plant tissue, light micrograph
Calcium oxalate crystals from plant tissue, light micrograph
Calcium oxalate crystals in garden rhubarb, light micrograph
Nettle stalk, light micrograph
Calcium oxalate crystals in garlic tissue, light micrograph
Calcium oxalate crystals in onion tissue, light micrograph
Calcium oxalate crystals in rose stalk, light micrograph
Calcium oxalate crystals in field scabious, light micrograph
Raphides in Oenothera sp. stalk, light micrograph
Crystals in oak leaf veins, light micrograph
Cheddar pink leaf, light micrograph
Idioblasts in water lily stem, polarised light micrograph
Onion skin, light micrograph
Orchid leaf, light micrograph
Water milfoil, light micrograph
Kidney stone surface, SEM
Oxalis leaf, SEM
Rose stalk tissue, light micrograph
Bubbles and plant tissue, light micrograp
Crystals in rose stalk tissue, light micrograph
Water lily stem, light micrograph
Plant druse crystal, SEM
Kidney stone crystals, SEM
Angelica plant stem, light micrograph
Wild cabbage stem, light micrograph
Swedish whitebeam stem, light micrograph
Trichomes, light micrograph
Fleabane stalk, light micrograph
Senecio sp. vascular bundle, light micrograph
Knautia sp. stalk, light micrograph
Pennycress stalk, light micrograph
Reed leaf, light micrograph
Reed stalk, light micrograph
Sedge stalk, light micrograph
Evening primrose stalk, light micrograph
Allium giganteum stalk, light micrograph
Maple leaf stalk, polarised light micrograph
Maple stalk, light micrograph
Granny's bonnet, light micrograph
Rose stalk, light micrograph
Pasqueflower stalk, light micrograph
Peony stalk, light micrograph
Convolvulus sp. stalk, light micrograph
Collenchyma in garden rhubarb stalk, light micrograph
Horsetail stalk (Equisetum sp.), light micrograph
Horsetail (Equisetum sp.) stalk, light micrograph
Spring vetchling stalk, light micrograph
Abutilon stem, polarised light micrograph
Aquatic plant with cyanobacteria and algae, light micrograph
Hyacinth leaf with raphides, light micrograph
Raphides from hyacinth leaf, light micrograph
Oxalic acid crystals, light micrograph
Holly (Ilex fargesii) wood, polarised light micrograph
Iris root, polarised light micrograph
Pampas grass (Cortaderia selloana), light micrograph
Ginger (Zingiber officinale) root, light micrograph
Tulip leaf, light micrograph
Main vein of a maple leaf, light micrograph
Calendula root, light micrograph
Chrysanthemum root, light micrograph
Spurge laurel stalk tissue, light micrograph
Vascular bundle, light micrograph
Winged spindle stem, light micrograph
Watermilfoil stem, light micrograph
Broccoli (Brassica oleracea) stalk, light micrograph
Dahlia sp. stalk, light micrograph
Forsythia sp. stalk, light micrograph
Hosta sp. stalk, light micrograph
Apple (Malus pumilla) tree stalk, light micrograph
Kale leaf stalk, light micrograph
Lily of the valley stalk, light micrograph
Lily (Lilium sp.) stalk, light micrograph