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Neottia nidus-avis ( Bird's-nest Orchid)

The Bird's-nest Orchid, Neottia nidus-avis, is a non-photosynthetic orchid found in shady woodland on basic soils. It obtains its nutrients from a mycorrhizal fungus that is attached to a photosynthetic host plant. The Bird's-nest Orchid, Neottia nidus-avis, is a non-photosynthetic orchid found in shady woodland on basic soils. It obtains its nutrients from a mycorrhizal fungus that is attached to a photosynthetic host plant.

Flytrap's Mouth

A depth of field shot of a venus flytrap, close up of a closed bulb with other flytraps and leaves blurred in the background . A depth of field shot of a venus flytrap, close up of a closed bulb with other flytraps and leaves blurred in the background

Angiosperm Leaf: Palisade Mesophyll in Nymphea

cross section: Nymphea leaf common name: Waterlily magnification: 400x Both the upper (adaxial) and lower (abaxial) epidermis are uniseriate and contain chloroplasts. The air exposed adaxial epidermis is well cutinized and contain numerous stomata that open into large substomatal air chambers. The submerged abaxial epidermis has a very thin cuticle and lacks stomata. Dark staining slime glands are present on the abaxial surface. Deep to the upper epidermis are several layers of tightly packed palisade mesophyll, the chief photosynthetic tissue of the leaf. Most of the leaf interior is occupied by a deeper zone of spongy mesophyll with large air spaces. Large red staining branched astroscleroids are abundant throughout the mesophyll. cross section: Nymphea leaf common name: Waterlily magnification: 400x Both the upper (adaxial) and lower (abaxial) epidermis are uniseriate and contain chloroplasts. The air exposed adaxial epidermis is well cutinized and contain numerous stomata that open into large substomatal air chambers. The submerged abaxial epidermis has a very thin cuticle and lacks stomata. Dark staining slime glands are present on the abaxial surface. Deep to the upper epidermis are several layers of tightly packed palisade mesophyll, the chief photosynthetic tissue of the leaf. Most of the leaf interior is occupied by a deeper zone of spongy mesophyll with large air spaces. Large red staining branched astroscleroids are abundant throughout the mesophyll.

Ivy Background

Green ivy background with moss

Rape seedlings

Fresh seedlings isolated on white. Fresh seedlings isolated on white.

Cactus in pot

Small prickly cactus in pot

Angiosperm Leaf: Stomatal Pits in Nymphaea

cross section: Nymphea leaf common name: Waterlily magnification: 400x Both the upper (adaxial) and lower (abaxial) epidermis are uniseriate and contain chloroplasts. The air exposed adaxial epidermis is well cutinized and contain numerous stomata that open into large substomatal air chambers. The submerged abaxial epidermis has a very thin cuticle and lacks stomata. Dark staining slime glands are present on the abaxial surface. Deep to the upper epidermis are several layers of tightly packed palisade mesophyll, the chief photosynthetic tissue of the leaf. Most of the leaf interior is occupied by a deeper zone of spongy mesophyll with large air spaces. Large red staining branched astroscleroids are abundant throughout the mesophyll. cross section: Nymphea leaf common name: Waterlily magnification: 400x Both the upper (adaxial) and lower (abaxial) epidermis are uniseriate and contain chloroplasts. The air exposed adaxial epidermis is well cutinized and contain numerous stomata that open into large substomatal air chambers. The submerged abaxial epidermis has a very thin cuticle and lacks stomata. Dark staining slime glands are present on the abaxial surface. Deep to the upper epidermis are several layers of tightly packed palisade mesophyll, the chief photosynthetic tissue of the leaf. Most of the leaf interior is occupied by a deeper zone of spongy mesophyll with large air spaces. Large red staining branched astroscleroids are abundant throughout the mesophyll.

Lichens Isle Royale NP 1

A variety of lichens grow on this rock in Isle Royale National Park in Lake Superior. Each type of lichen is actually a pair of organisms, a symbiotic association of a fungus with either a green alga or a photosynthetic bacteria. A variety of lichens grow on this rock in Isle Royale National Park in Lake Superior. Each type of lichen is actually a pair of organisms, a symbiotic association of a fungus with either a green alga or a photosynthetic bacteria.

Green algae on rocky ocean shore

Growth of green algae on the rocky shore with the tide coming in (Australian coast). Growth of green algae on the rocky shore with the tide coming in (Australian coast)

Lichen rock texture

Stone covered with green and gray lichens. Stone covered with green and gray lichens

Neottia nidus-avis ( Bird's-nest Orchid)

The Bird's-nest Orchid, Neottia nidus-avis, is a non-photosynthetic orchid found in shady woodland on basic soils. It obtains its nutrients from a mycorrhizal fungus that is attached to a photosynthetic host plant. The Bird's-nest Orchid, Neottia nidus-avis, is a non-photosynthetic orchid found in shady woodland on basic soils. It obtains its nutrients from a mycorrhizal fungus that is attached to a photosynthetic host plant.

Dragonfly on Lily

A dragonfly resting on the flower of a water lily. A dragonfly resting on the flower of a water lily.

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