Well, this is going to take a while. Here we go I guess...

Alder tree: Alder bark

Scientific name: Alnus glutinosa

Description: Dark gray bark, fissured. Younger trees can also have greenish bark. Branches can sometimes be sticky.

Location: Along rivers, can also grow in swampy areas. Can be found during the snowy season also, unlike most herbs.

Usage: Unknown

Effect: Eases toothaches.

Beech tree: Beech nuts: Beech leaves

Scientific name: Fagus sylvatica

Description: Has broad, shiny leaves. Can have a variety of leaf colors, but typically are green, yellow, or golden, and can also be smaller or short. Female trees typically produce beech nuts. Bark can be thin, smooth, and gray in color.

Location: Grows well in moist, deep, and rich soil.

Usage: Unknown

Effect: Nuts are good for attracting prey.

Bindweed Scientific name: Convolvulus tricolor

Description: Blue petals with white throat and yellow center. Typically blooms in warmer weather. Stems contain green leaves.

Location: Can be found in sunny patches. Usually only found in spring and summer.

Usage: Helps bind sticks together.

Effect: When combined with sticks, can help mend a broken leg and keep it in-place.

Blackberries: Blackberry leaves

Scientific name: Rubus fruticosus 'Chester'

Description: Plant itself carries pinkish-white flowers, each flower has five petals and produces one fruit crop a year. Grows in sunny areas. Carries a sharp scent.

Location: Almost anywhere; they are very handy plants.

Usage: These leaves are chewed into a pulp.

Effect: Mixed into a poultice to ease the pain of bee stings

Borage: Borage Leaves

Scientific name: Borago officinalis

Description: It is easily distinguished by its small blue or pink star-shaped petals and hairy leaves. Can be distinguished by smell just as well as sight. The best leaves are typically halfway up the stem, and has a zesty scent to them. Leaves can be dark green or gray-green in color, soft, and they lose their flavor when they are dried out.

Location: Found mostly next to streams, or creeks.

Usage: Chewed and eaten my the patient.

Effect: It produces more and better milk. It also brings down fevers. Helps sooth bad bellies and relieves tight chests.

Bright Eyes: Garden Phlox

Scientific name: Phlox paniculata

Description: Light pink flowers with darker pink in the middles.

Location: Sunny areas, wooded areas, thickets.

Usage: Crushed into a poultice mixture.

Effect: Mix with lovage to help cure coughs.

Broom

Scientific name: Cytisus scoparius

Description: Shrubs with small leaves and small yellow flowers. Flowers are often solitary, but can also come in pairs.

Location: Grows mostly in forest territories. Can be found during the snowy season.

Usage: Ground into a poultice.

Effect: Used in poultices that can help broken legs and wounds.

Burdock: Burdock Root

Scientific name: Arctium minus

Description: Tall-stemmed thistle with a sharp smell and dark leaves. Has a bitter taste.

Location: Usually by the rocks.

Usage: The root is dug up, the soil is washed off, and then it is chewed into a pulp.

Effect: Lessens the pain of rat bites, especially if they are infected. Can give cats a bellyache if they eat too much of it. Numbs rat bite to the point a cat cannot feel the pain. Also good for infected paws and other sores.

Burnet

Scientific name: Sanguisorba officinalis

Description: Medium green-colored basal leaves. Can occasionally have spikes of purple flowers.

Location: Mostly in the forest, usually in sunny areas.

Usage: A traveling herb. The leaves are swallowed.

Effect: Used to give strength. Good for expecting queens.

Catchweed: Catchweed Bedstraw: Catchweed Burrs

Scientific name: Galium aparine L.

Description: A plant with fuzzy green balls on long stems.

Location: It is common in hedges and other low, shrubby vegetation. Found in ThunderClan territory.

Usage: The burrs are put on the pelt where poultices are.

Effect: Stops poultices from being rubbed off without hurting the skin.

Catmint: Catnip

Scientific name: Nepeta racemosa

Description: A leafy and delicious-smelling plant. Has gray-green leaves, stem is hairy, and has purple flowers. Is easily killed by frost. Looks like nettles, but doesn't sting.

Location: Rarely found in the wild; mostly found in Twoleg gardens. Thrives in areas with dry soil and is very tolerant of dryer conditions.

Usage: Eaten.

Effect: Best remedy for the deadly greencough, which kits and elders usually catch in the season of leaf-bare. Can also be used for whitecough. Can be considered dangerous in extremely high dosages.

Celandine: Celandine Poppy: Greater Celandine

Scientific name: Stylophorum diphyllum or Chelidonium majus

Description: Yellow flower with four petals. Celandine poppy have bigger petals, whereas the greater celandine are smaller.

Location: Grows in both dry and moist, but possibly grows better in forests.

Usage: Crushed into juice and trickled into the eye.

Effect: Soothes weakened or damaged eyes.

Chamomile

Scientific name: Chamaemelum nobile

Description: A small, white flower with a large, yellow center.

Location: Can be found in Twoleg gardens. Can be found in sandy-like soil. Best in cooler areas.

Usage: Eaten.

Effect: Strengthens the heart and soothes the mind. Also given to traveling cats for strength.

Chervil

Scientific name: Anthriscus cerefolium

Description: A sweet-smelling plant with large, leafy, fern-like leaves and small white flowers. The roots are described as being knobby and brown.

Location: shady or rocky areas.

Usage: Chewed to extract the juice of the leaves or the root.

Effect: For infected wounds and bellyache, respectively. Can also be used during kitting.

Chickweed

Scientific name: Stellaria media

Description: Tall-stemmed plant with fat, almond-shaped leaves.

Location: in sunny areas, usually between rocks.

Usage: Eaten.

Effect: Treats greencough, though catnip is often preferred.

Cobnuts

Scientific name: corylus

Description: A smooth brown nut with a hard outside shell. A type of hazelnut.

Location: In, under or near hazel trees that grow in sunny spots.

Usage: Made into ointments.

Effect: Unknown

Cobwebs

Description: Long, thin, shiny strands spun into a web by spiders. Very common.

Location: All around the forest.

Usage: Press over wound.

Effect: To soak up and stop, or slow, the bleeding. It may also be used to bind broken bones.

Coltsfoot

Scientific name: Tussilago farfara

Description: A flowering plant with yellow or white flowers resembling dandelions. Grows best in newleaf.

Location: Can grow by waterfalls.

Usage: Leaves chewed into a pulp.

Effect: Eases breathing or kitten-cough, as well as cracked or sore pads.

Comfrey Root

Description: It has large leaves, small bell-shaped flowers, which are pink, white, or purple, and fat, black roots. Tangy smell.

Location: Damp, grassy places.

Usage: Roots are chewed into a poultice. Can also be lined in one's nest.

Effect: Repairs broken bones or soothes wounds. Also used for wrenched claws. Can be used for itching or for inflammation on stiff joints. Also eases stiffness on wrenched shoulders when lined in a nest. Can be used for burns.

Daisy Leaf

Description: Thick, dark green, oval shaped leaves.

Location: Dry, grassy areas.

Usage: Chewed into a paste.

Effect: Eases the pain of aching joints. It is also a traveling herb.

Dandelion

Description: Common yellow-flowered plant with long, hollow stems. After flowering is finished, the flower transforms a sphere made out of hundreds of smaller white florets with seed heads at the bottom that connect to the flower head.

Location: Almost everywhere.

Usage: The white liquid is thought to be applied to bee stings. Leaves can be chewed.

Effect: Thought to soothe and heal bee stings. Its leaves can also be chewed to act like a painkiller.

Dock: Dock Leaf

Description: Common, large-leafed plant with a tangy smell and taste.

Location: Doesn't grow well in mountains, best in leafy areas.

Usage: Chewed up and applied to scratches. Similar to sorrel. Also can be put in one's nest during sleep.

Effect: Soothes scratches, though can sting when being applied. Soothes sore pads. If placed in nests, it can ease the pain of wounds. Can be used to help practice healing on Clanmates.

Elder leaves Scientific name: Sambucus nigra

Description: Leaves from the Elder tree.

Location: Often found in 5-9 leaflets.

Usage: Turned into a poultice.

Effect: Soothes sprains.

Fennel

Description: Thin, spiky leaves.

Location: Found in numerous places, especially on dry soils near the sea/coast and on riverbanks.

Usage: Stalks are broken and juice is squeezed into the receiver's mouth.

Effect: Helps pain in the hips.

Feverfew

Scientific name: Tanacetum parthenium

Description: Small bush with flowers resembling daisies. Has a sharp tangy smell and small soft leaves.

Location: Grows best along the water.

Usage: Eaten.

Effect: Reduces body temperature for cats with fever or chills. Also heals aches and pains, especially good for headaches

Goatweed

Description: Plant with ovate leaves

Location: RiverClan territory.

Usage: Chew root to a pulp, then spit out.

Effect: Eases grief.

Goldenrod

Description: A tall plant with bright, yellow flowers.

Location: Grows well on the WindClan moors.

Usage: Chewed into a poultice.

Effect: Good for healing wounds.

Hawkweed

Description: Small green plant with yellow and orange flowers.

Location: Unknown

Usage: Leaves chewed, and swallowed. Then get a drink of water.

Effect: Like catmint but not as strong.

Heather Nectar

Description: Nectar found in bell-shaped flowers.

Location: Best grown in shady areas.

Usage: Included in herbal mixtures.

Effect: Makes swallowing easier and sweetens mixtures.

Honey

Description: A sweet, golden-coloured liquid made by bees.

Location: In honeycombs or bees nests up in trees.

Usage: Eaten, or given by moss soaked in it.

Effect: Soothes infections, is a great remedy for smoke-damaged or sore throats, helps cats swallow other concoctions, helps soothe coughing, and gives energy.

Horsetail

Description: A tall, bristly-stemmed plant, referred to with fleshy stalks.

Location: Any marshy area.

Usage: Chewed to a poultice, and applied to wounds.

Effect: Treats infections and stops bleeding.

Ivy Leaf

Description: Leaves from the ivy vine.

Location: Grows in darker, shady areas.

Usage: Used by medicine cats to store other herbs.

Effect: None

Juniper Berries

Description: Purple-blue berries from the dark green, spiky-leaved juniper bush.

Location: Grows in places that are not wet.

Usage: Chewed and eaten.

Effect: Soothes bellyaches, gives strength, and helps troubled breathing. It is also used to help calm cats.

Lamb's Ear

Description: Soft, fuzzy green plant.

Location: Commonly found in the mountains.

Usage: Unknown

Effect: Gives a cat strength.

Lavender

Description: A small purple flowering plant.

Location: Grown in Twoleg gardens. Can also be found in sunny spots with sandy or gravelly soil.

Usage: Placed under a cats nose and is to be inhaled constantly, or rubbed/placed on an animal's body to hide the scent of death.

Effect: Cures fever and chills. Also used to hide the scent of death.

Lovage

Scientific Name: Levisticum officinale

Description: a tall perennial plant, with a basal rosette of leaves and stems with further leaves, the flowers being produced in umbels at the top of the stems. The stems and leaves are shiny green to yellow-green and smell somewhat like celery.

Location: Found in mulchy or sandy areas.

Usage: Dried, then chewed and mixed with bright-eye leaves.

Effect: If it is mixed with bright-eye, it can help cure coughs.

Lungwort

Description: An herb with dark green leaves speckled with gray.

Location: Usually found on moors.

Usage: Eaten

Effect: Cures yellowcough.

Mallow Leaves

Description: Large fuzzy three-nubbed leaves from a flowering shrub; sweet rose scent.

Location: Grows best near shore, but best collected at sunhigh, when they are dry.

Usage: Eaten.

Effect: Soothes bellyache.

Marigold

Description: A low-growing flower; yellow to bright orange.

Location: Near water

Usage: Petals or leaves chewed in a poultice. Juice can be used as well.

Effect: Stops infection. Stops bleeding. Used for inflammation of stiff joints.

Mint

Description: Downy, serrated leaves ranging from green to purple and yellow in color. Flowers are small and white or purple in color.

Location: Patch beside ThunderClan nursery in the Forest Territories.

Usage: Rubbed on a dead body.

Effect: Hides the scent of death.

Mouse bile

Description: Foul smelling, yellowish-green liquid.

Location: Can be found anywhere there are mice present.

Usage: The liquid is stored in moss and dabbed onto ticks embedded in pelt.

Effect: Excellent remedy for getting rid of ticks, smell is its down side.

Dried Oak Leaf

Description: Round, cartoon-like ruffled leaves.

Location: All over the forest floor and collected in leaf-fall.

Usage: The dried leaves are to be stored in a dry location until the time of usage, when they are chewed into a thick poultice and spread on a wound.

Effect: Stops infection from setting in.

Parsley

Description: A long-stemmed plant with ragged-edged crinkly leaves, Sharp scent, tastes cold and fresh, tastes the same fresh or dried.

Location: Grows best in moist, well drained soil, with full sun.

Usage: Eaten.

Effect: Stops a queen from producing milk if her kits die, don't need milk anymore, or are producing too much milk. Also used to cure bellyache.

Poppy Seeds

Description: Tiny, round black seeds that are shaken out of a dried poppy flowerhead.

Location: All over forest.

Usage: Chewed on.

Effect: They can help a cat sleep, soothe shock or distress, or ease pain. Not recommended for nursing queens.

Ragwort Leaves

Description: Tall shrub with yellow flowers. Tastes foul to cats.

Location: Almost everywhere, especially in cool areas with high rainfall.

Usage: Crushed and chewed; if mixed with juniper berries, it can help aching joints.

Effect: Treats aching joints and keeps a cat's strength up.

Raspberry Leaves

Description: Soft to the touch, but with jagged edges.

Location: Found on raspberry bushes.

Usage: It could be a painkiller, or help stop bleeding during kitting.

Effect: Could possibly ease pain, or stop bleeding.

Rosemary

Description: Tall with needle-like leaves and purple flowers.

Location: Near the ThunderClan warriors' den in the forest territory.

Usage: Put on the pelt of a dead cat to prepare for burial.

Effect: Hides the scent of death.

Rush

Description: It has long narrow leaves and lavender-colored head stalks.

Location: Often grows in infertile soils in a wide range of moisture conditions.

Usage: Used to bind broken bones.

Effect: Helps hold a broken limb in place, such as casts for Twolegs.

Sorrel

Description: Similar to dock, sorrel is used as a traveling herb.

Location: Can be found near Twoleg nests, or found in pretty much can be found everwhere in a forest.

Usage: Eaten.

Effect: Traveling herb, can also build up appetite.

Stick

Description: Thin wooden protrusions that grow on and fall from trees.

Location: Can be found anywhere there are trees.

Usage: Cats in pain bite it when other medicine is either unavailable or not recommended. Also used to help broken legs heal.

Effect: Distracts cats from pain. Recommended for queens giving birth.

Stinging Nettle

Scientific name: Urtica dioica

Description: It has green, spiny seeds.

Location: All over the forest.

Usage: The seeds are eaten by a cat who's swallowed poison, or the leaves are chewed into a poultice for a wound. The stems can also be chewed.

Effect: Induces vomiting, or brings down swelling, respectively. Can be mixed with comfrey to help heal broken bones. Helps with wounds. Chewing the stems helps fight against infection.

Sweet-sedge

Scientific name: Acorus calamus

Description: Thick green stem with long buds at the top.

Location: Grows all through leaf-bare. Most common around the RiverClan camp.

Usage: One must swallow the sap.

Effect: Eases infection.

Tansy

Scientific name: Tanacetum vulgare

Description: The tansy plant has round, yellow leaves, and has a very sweet and strong scent, making it good for disguising a cat's scent.

Location: Can be found near Twolegplaces, or rocky, or moist areas.

Usage: To be consumed, but only in small doses.

Effect: Cures coughs. Can be used to cure wounds and poisons. Stops cats from getting greencough. Soothes throats. Can be extremely dangerous to pregnant cats

Tormentil

Scientific name: Potentilla erecta

Description: It has a strong, aromatic scent to it and a sharp taste.

Location: Found in most cool or cold areas, but other types may be found in gardens.

Usage: Chewed and put on the wound.

Effect: Its root is good for treating all wounds and extracting poison.

Thyme

Description: Small, delicate, thick, sticky leaves with a fresh tang.

Location: Best in hot, sunny locations.

Usage: Leaves can be chewed on.

Effect: Calms nervousness, anxiety, and cats who are in shock.

Traveling herbs

Scientific name: Unknown

Description: Mixture consists of sorrel, daisy, chamomile, and burnet.

Usage: Eaten.

Effect: When mixed together, they suppress hunger pains and give a cat strength.

Watermint

Scientific name: Mentha aquatica

Description: A green, leafy plant, with purple flowers at the end of its spiky stems.

Location: Usually found in streams or damp earth.

Usage: It is usually chewed into a pulp, and then eaten.

Effect: Eases the suffering that originates from a bellyache.

Wild Garlic

Scientific name: Allium ursinum

Description: Extremely sharp and tangy scent. Grows in patches, and typically has a white bulb with green leaves. They can also produce a flower.

Location: Pretty much everywhere.

Usage: One must roll in it.

Effect: Draws out poison in rat bites. Prevents infection.

Willow Bark

Description: Bark of the willow tree.

Location: Grows near Twoleg places.

Usage: Pressed against wound, when moist or dampened.

Effect: Eases pain.

Willow leaves

Description: Leaves of the willow tree.

Location: Unknown

Usage: Eaten.

Effect: Stops vomiting.

Wintergreen

Scientific name: Gaultheria procumbens

Description: Easily identifiable by its red berries.

Location: Oak-pine woods and sandy habitats to sub-alpine places.

Usage: Unknown

Effect: Treats wounds and some poisons.

Yarrow

Scientific name: Achillea millefolium

Description: A flowering plant with green, jagged leaves, a tangy scent and a bitter taste.

Location: Sunny or rocky places.

Usage: Its leaves are chewed into a poultice that can be given to cats or applied to a wound depending on the situation.

Effect: Extracts poison from wounds. Will make a cat vomit up toxins. The ointment will soften and help heal cracked pads

Deathberries

Scientific name: Taxus baccata

Description: Red berries from the dark-leaved, poisonous yew bush.

Location: The ravine in the ThunderClan forest territory

Usage: Sometimes used to kill other cats by making them eat the berry.

Effect: Kills a cat within minutes when consumed

Foxglove Seeds

Description: Tiny, black seeds from the bell-shaped flower of the foxglove plant.

Location: Almost everywhere, especially in temperate regions.

Usage: They are used to treat the heart

Effect: They can easily cause paralysis and heart failure.

Holly Berries

Description: Plant with spiny leaves that produces red berries with no medicinal value.

Location: Forests.

Usage: Unknown

Effect: Unknown

Deadly Nightshade

Scientific name: Atropa belladonna

Description: A small shrub with faintly scented, bell-shaped flowers that are purple tinged with green in colour. Berries are shiny and black when ripe.

Location: Moist, shady places. Often grows in places where the soils are rich in limestone.

Usage: To quickly kill a cat who cannot be saved.

Effect: Poisonous.

Water hemlock

Scientific name: Cicuta

Description: Green or white flowers with petals in umbrella-shaped clusters.

Location: Wet, marshy areas.

Usage: One of the most piosonous plants next to death berries, if eaten in any way.

Effect: Causes writhing, pain, and foaming at the mouth.