Kim Taylor / Filamentous green algae {Spirogyra sp} showing cell structure

Geoff Simpson / Dutchman's pipe{Hypopitys monotropa} Peak District NP, Derbyshire, UK - saprophytic plant lacking in chlorophyll

Nigel Cattlin / Apple (Malus domestica) tree leaves with interveinal chlorosis, symptom of iron deficiency.

Nigel Cattlin / Apple (Malus domestica) branch with fruits and leaves. Leaves exhibiting interveinal chlorosis, symptom of iron deficiency.

Nigel Cattlin / Green bean (Phaseolus vulgaris) leaf with feeding damage caused by Two spotted spider mite (Tetranychus urticae). England, UK.

Heather Angel / Blossom scarab beetle (Epicometis hirta), two feeding on Ficaria flower (Ficaria fascicularis) with yellow leaves, having not yet developed chlorophyll. In snow melt area, Turkey. May.

Ashley Cooper / Aerial view of meandering river in rainforest on Fiji, March 2007.

Ashley Cooper / Aerial view of meandering river in rainforest on Fiji, March 2007.

Ashley Cooper / Aerial view of rainforest and mountains on Fiji. March 2007.

SINCLAIR STAMMERS / Diatom (Closterium) with chlorophyll (green pigmentation) and mineral granules at tips moving through Brownian motion.

SINCLAIR STAMMERS / Diatom (Closterium) with spherical chloroplasts (green pigmentation) and mineral granules at tips moving through Brownian motion. Other diatoms are visible.

Gary K. Smith / Dutchman's pipe(Hypopitys monotropa) saprophyte plant lacking chlorophyll, growing under mature pines on coastal dunes, North Norfolk, UK, June

MYN / Paul Harcourt Davies / Bird's nest orchid (Neottia nidus-avis) a saprohytic orchid of ancient European woodlands containing little or no chlorophyll, dependent upon mycorrhizal fungi in the tangled bird's nest of roots, Laz...

MYN / Paul Harcourt Davies / Bird's nest orchid (Neottia nidus-avis) a saprohytic orchid of ancient European woodlands containing little or no chlorophyll, dependent upon mycorrhizal fungi in the tangled bird's nest of roots, Laz...

MYN / Paul Harcourt Davies / Bird's nest orchid (Neottia nidus-avis) a saprohytic orchid of ancient European woodlands containing little or no chlorophyll, dependent upon mycorrhizal fungi in the tangled bird's nest of roots, Laz...

MYN / Paul Harcourt Davies / Bird's nest orchid (Neottia nidus-avis) a saprohytic orchid of ancient European woodlands containing little or no chlorophyll, dependent upon mycorrhizal fungi in the tangled bird's nest of roots, Laz...

Christian Ziegler / Young red leaves lacking chlorophyll, Barro Colorado Island, Panama

Alex Hyde / Bird's Nest Orchid (Neottia nidus-avis) flowering in coniferous woodland. The plant lacks chlorophyll and obtains nutrients from fungal hypae which it parasitises. Nordtirol, Tirol, Austrian Alps, Aus...

Piotr Naskrecki / Young fern leaves still devoid of chlorophyll, Papua New Guinea

Paul Harcourt Davies / Bird's nest orchid (Neottia nidus-avis) a saprohytic orchid of ancient European woodlands containing little or no chlorophyll, dependent upon mycorrhizal fungi in the tangled bird's nest of roots, Ita...

Paul Harcourt Davies / Bird's nest orchid (Neottia nidus-avis) a saprohytic orchid of ancient European woodlands containing little or no chlorophyll, dependent upon mycorrhizal fungi in the tangled bird's nest of roots, Ita...

Gary K. Smith / Dutchman's pipe(Hypopitys monotropa) saprophyte plant lacking chlorophyll, growing under mature pines on coastal dunes, North Norfolk, UK, June

Gary K. Smith / Dutchman's pipe(Hypopitys monotropa) saprophyte plant lacking chlorophyll, growing under mature pines on coastal dunes, North Norfolk, UK, June

Gary K. Smith / Dutchman's pipe(Hypopitys monotropa) saprophyte plant lacking chlorophyll, growing under mature pines on coastal dunes, North Norfolk, UK, June

Jason Smalley / Greater broomrape {Orabanche rapum genistae} parasitc plant lacking in chlorophyll, Cambridgeshire, UK

Philippe Clement / Close up of a Fern loosing chlorophyll in autumn, Luxemburg

Christian Ziegler / Young white leaves lacking chlorophyll, Barro Colorado Island, Panama

Christian Ziegler / Young red leaves lacking chlorophyll, Barro Colorado Island, Panama

Piotr Naskrecki / Young leaf still devoid of chlorophyll, Atewa Range, Ghana

David Maitland / Deutzia (Deutzia scabra) leaf, microscopic view of blue autofluorescent star-shaped defensive hairs covering the surface, silhouetted against the leaf's red-fluorescent chlorophyll-packed cells, unde...

David Maitland / Margined Ramshorn pond snail (Planorbis planorbis) microscopic view of a galaxy of photosynthetic algae, like Chlamydomonas, living within a slimy biofilm covering the shell. The chlorophyll within t...

David Maitland / Margined ramshorn pond snail (Planorbis planorbis) microscopic view of a galaxy of photosynthetic algae, like Chlamydomonas, living within a slimy biofilm covering the shell. The chlorophyll within t...

David Maitland / Autofluorescence image of a cross section through the tip of the growing leaf-whorl of Pampas grass (Cortaderia selloana) exposed to UV light, the chlorophyll fluoresces red and the lignin blue. The &...

Paul Harcourt Davies / Bird's nest orchid (Neottia nidus-avis) a saprophytic orchid containing little or no chlorophyll, growing in woodland, Sibillini, Umbria, Italy. May.

Nigel Cattlin / Potatoes (Solanum tubersosum) exposed to light and turning green with chlorophyll, indicating possible toxic glycoalkaloid solanine production, Berkshire, UK, August.

Nigel Cattlin / Potatoes (Solanum tubersosum) exposed to light and turning green with chlorophyll, indicating possible toxic glycoalkaloid solanine production, Berkshire, UK, August.

Steve Nicholls / Bird's nest orchid (Neottia nidus-avis) growing in Buckholt Wood, Gloucestershire, UK, June. It has no chlorophyll and is entirely dependent on fungi in the soil for its nutrition, allowing it to grow...

Steve Nicholls / Bird's nest orchid (Neottia nidus-avis) growing in Buckholt Wood, Gloucestershire, UK, June. It has no chlorophyll and is entirely dependent on fungi in the soil for its nutrition, allowing it to...