Herbal Monograph
Chickweed
Stellaria media (L.) Vill.
Caryophyllaceae (Pink family)
Cool, moist demulcent and anti-inflammatory — the quintessential topical herb for itchy, inflamed skin
Overview
Plant Description
Low-growing, sprawling annual or winter annual herb, 5–40 cm tall, forming dense mats. Stems weak, much-branched, with a single line of fine hairs running along one side (alternating sides at each node — a key identification feature). Leaves opposite, ovate to broadly ovate, 5–25 mm long, with a short pointed tip; lower leaves petiolate, upper leaves sessile. Flowers small (6–10 mm across), white, with 5 deeply bifid petals (appearing as 10), 3 styles, and 3–5 stamens with reddish-purple anthers. Sepals slightly longer than petals. Seeds small, reddish-brown, kidney-shaped with tuberculate surface. Entire plant is succulent, mild-tasting, and edible. Flowers and sets seed almost year-round in temperate climates.
Habitat
Gardens, cultivated ground, waste places, woodland edges, lawns, footpaths, stream banks, and disturbed soils. Thrives in moist, nitrogen-rich, partially shaded locations. One of the most successful weedy species worldwide, germinating in cool weather (autumn through spring) and persisting through mild winters.
Distribution
Native to Europe. Now cosmopolitan — naturalized on every inhabited continent. Found throughout North America, Asia, Australia, New Zealand, South America, and Africa. One of the most widely distributed flowering plants on Earth. Grows from sea level to 4,500 m elevation.
Parts Used
Aerial parts (herba) — fresh
Preferred: Fresh juice, fresh poultice, fresh plant tincture (1:2 in 25% ethanol)
The fresh herb is the preferred form for most traditional applications. The succulent, mucilaginous quality that makes chickweed therapeutically valuable is best preserved in fresh preparations. Fresh chickweed is used as a food (salad green, pot herb) and as medicine — the line between food and medicine is particularly thin with this plant. Fresh juice, fresh poultices, and fresh plant tinctures capture the full constituent profile including the water-soluble mucilage, vitamins, and minerals.
Aerial parts (herba) — dried
Preferred: Dried herb for infusion; dried powdered herb for capsules
Dried chickweed retains some activity but loses much of the mucilaginous, demulcent quality that defines its fresh use. Dried herb is acceptable for infusions and for inclusion in dried herb formulas. Quality dried chickweed should retain a green color and mild taste — brown or musty material is degraded. Drying must be rapid and at low temperature.
Key Constituents
Triterpenoid saponins
The saponin fraction is considered the primary basis for chickweed's anti-inflammatory activity, particularly its topical anti-itch and anti-eczema effects. Saponins also contribute mild expectorant action and may enhance transdermal penetration of other constituents when applied topically.
Flavonoids
The flavonoid profile supports anti-inflammatory, antioxidant, and antipruritic effects. Luteolin's mast cell stabilization provides a pharmacological rationale for the traditional anti-itch topical use. The combined flavonoid and saponin fractions create synergistic anti-inflammatory activity.
Vitamins and minerals
The nutritional density of chickweed is central to its identity as a 'food medicine.' The vitamin and mineral content supports its traditional uses as a spring tonic, nutritive, and recuperative herb. This is one of the herbs where the food-medicine boundary is essentially nonexistent — eating chickweed IS the medicine.
Mucilage and polysaccharides
The mucilage fraction provides the soothing, cooling, demulcent quality that defines chickweed's topical and internal use for irritated, inflamed, dry tissues. Mucilage is poorly preserved by drying, which is why fresh preparations are preferred.
Coumarins and phenolic acids
Minor contribution to overall antioxidant and anti-inflammatory activity. The coumarin content is too low to raise anticoagulant concerns at normal doses.
Herbal Actions
Soothes and protects irritated mucous membranes
Chickweed's mucilaginous polysaccharides coat and soothe irritated mucous membranes and skin surfaces. This is the defining action of the herb — a cooling, moistening, tissue-protective effect. Most effective when the fresh herb or fresh preparations are used, as drying degrades the mucilage. Applied topically for skin irritation and internally for irritated digestive or urinary mucosa.
[1, 2]Reduces inflammation
Significant anti-inflammatory activity through multiple mechanisms: triterpenoid saponins inhibit COX and LOX pathways, flavonoids (luteolin, apigenin) suppress NF-κB activation and pro-inflammatory cytokines, and luteolin specifically inhibits mast cell degranulation. Both topical and internal anti-inflammatory effects are well-established in traditional practice. Particularly valued for inflammatory skin conditions.
[2, 3]Promotes wound healing
Promotes wound healing and tissue repair when applied topically. The combination of anti-inflammatory saponins, mucilaginous protection, and nutritive vitamins/minerals (vitamin C, zinc, silica) supports tissue regeneration. Used as poultices and salves for minor wounds, burns, and ulcers.
[1]Increases urine production and output
Mild, gentle diuretic action attributed to the high potassium and saponin content. Classified as an aquaretic (increases water excretion without excessive electrolyte loss) due to the potassium-sparing nature. Used traditionally for mild urinary tract irritation and fluid retention.
[1, 2]Gradually restores proper body function and increases overall health
Traditional alterative ('blood cleanser') — gradually improves metabolic function and supports waste elimination. The nutritive content, mild diuretic action, and gentle laxative effect combine to support the body's eliminative channels. This is reflected in the traditional spring tonic use and in applications for chronic skin conditions where internal 'cleansing' is indicated.
[1, 3]Promotes the discharge of mucus from the respiratory tract
Mild expectorant action attributed to the saponin content. Saponins reflexively stimulate bronchial mucus secretion. Used in traditional formulas for dry, irritated coughs. The demulcent mucilage soothes irritated respiratory mucosa while the saponins help mobilize stuck secretions.
[1]Promotes bowel movement
Very gentle laxative effect — the mucilage provides bulk and lubrication, while the overall moistening quality addresses dry, constipated states. This is a mild bulk-forming/emollient laxative, not a stimulant laxative. Particularly suited to elderly or debilitated patients with dry constipation.
[1]Therapeutic Indications
Skin / Integumentary
Eczema and dermatitis (hot, itchy, inflamed types)
The primary traditional indication for chickweed. Applied topically as fresh poultice, salve, or cream for itchy, inflamed eczema, contact dermatitis, and atopic dermatitis. The anti-inflammatory saponins, mast cell-stabilizing luteolin, and soothing mucilage combine to reduce itch, redness, and irritation. Used both as acute relief and as a gentle ongoing treatment. Particularly valued in pediatric eczema where stronger anti-inflammatory herbs may be too harsh. Often combined with Calendula and Chamomile in topical formulas.
[1, 2]Pruritus (itching) of various causes
Chickweed is one of the most reliable topical anti-itch herbs in Western herbal medicine. Used for insect bites, hives, prickly heat, sunburn itch, and generalized pruritus. The cooling, moistening nature provides immediate soothing, while the anti-inflammatory constituents address the underlying irritation.
[1, 3]Minor wounds, burns, and skin ulcers
Applied as a poultice or salve to promote healing of minor wounds, first-degree burns, and superficial skin ulcers. The vulnerary, anti-inflammatory, and demulcent actions support tissue repair while protecting the wound surface. Not for deep or infected wounds.
[1]Psoriasis (as adjunct)
Used topically as a gentle, soothing adjunct for psoriasis — providing symptomatic relief of itching and scaling. Not a primary treatment but valued for its gentleness and lack of irritating effects.
[2]Digestive System
Gastritis and peptic irritation (hot, dry types)
The mucilaginous, demulcent nature of chickweed soothes irritated gastric mucosa. Used for hot, burning gastritis, acid reflux, and peptic irritation where the tissue state is hot and dry. Best used as fresh juice or strong infusion of fresh herb. Often combined with Marshmallow root and Meadowsweet.
[1]Constipation (dry type)
The mucilage provides gentle bulk and lubrication for dry, hard stools. Combined with the overall moistening energetics, chickweed is suited for constipation in elderly, debilitated, or constitutionally dry individuals. A mild remedy — not for acute or severe constipation.
[1]Urinary System
Cystitis and urinary tract irritation
The demulcent, diuretic, and anti-inflammatory actions combine to soothe irritated urinary mucosa. Used for burning urination, interstitial cystitis, and as a gentle urinary demulcent. Often combined with Corn Silk, Marshmallow root, and Couch Grass in urinary formulas.
[1, 2]Respiratory System
Dry, irritated cough
The demulcent mucilage soothes irritated respiratory mucosa while the saponins provide mild expectorant action. Suited for dry, tickling, non-productive coughs. Not for wet, productive coughs or cold, damp respiratory conditions. Often combined with Marshmallow, Mullein, or Coltsfoot.
[1]Musculoskeletal System
Rheumatic pain and joint inflammation (topical)
Applied topically as a poultice or compress for hot, inflamed joints. The anti-inflammatory saponins and cooling nature provide symptomatic relief. A traditional folk remedy particularly valued in European herbal medicine for 'drawing out heat' from inflamed joints.
[3]Energetics
Temperature
cool
Moisture
moist
Taste
Tissue States
heat/inflammation, dry/irritation
Chickweed is the quintessential cool, moist herb — its energetics are immediately apparent from tasting the fresh plant. It is specific for hot, dry, irritated tissue states: red inflamed skin, itchy eczema, hot dry coughs, irritated urinary mucosa, and dry constipation. In Physiomedicalist terms, it 'cools excess heat and moistens dryness.' Matthew Wood classifies it as a 'tissue remedy for the skin' with an affinity for hot, red, itchy conditions. It is NOT suited for cold, damp, boggy conditions — its cooling, moistening nature would worsen these patterns. Constitutional match: lean, dry, hot-running individuals with a tendency toward inflammation and irritation.
Traditional Uses
European folk medicine
- Applied as a fresh poultice ('green plaster') to itchy, inflamed skin, eczema, boils, abscesses, and insect bites — one of the most widely used skin herbs across all European folk traditions
- Eaten as a spring potherb and salad green — considered a 'blood purifier' and general spring tonic after winter diet
- Infusion taken internally for coughs, hoarseness, and constipation
- Poultice applied to sore, inflamed eyes (historically used as an eye compress)
- Used as a 'drawing' poultice for splinters, boils, and festering wounds
- Fresh juice applied to skin eruptions, rashes, and varicose ulcers
- Given to nursing mothers as a nutritive food to support milk quality
- Used in baths for children with eczema, heat rash, and skin irritation
"Chickweed has been used as both food and medicine across Europe since at least the medieval period. Culpeper (1653) described it as a 'fine, soft, pleasing herb' ruled by the Moon and useful for 'all imposthumes and swellings.' Gerard (1597) recommended it for 'mangy hands and legs' and as a poultice for inflamed wounds. Mrs. Grieve (1931) recorded its wide folk use as a demulcent poultice and internal remedy for coughs and constipation. Across British, German, Scandinavian, and Eastern European folk traditions, chickweed appears consistently as a gentle, safe, cooling skin remedy."
Native American medicine
- Poultice of fresh plant applied to cuts, wounds, sores, and inflamed skin
- Infusion used as an eye wash for sore, inflamed eyes
- Tea taken for coughs and as a mild laxative
- Used by various tribes including Cherokee, Iroquois, and Mahuna as a wound herb and nutritive food
"Native American use of chickweed developed after European introduction of the plant to North America. Various tribes rapidly adopted it as a useful wound herb and food plant, incorporating it into existing healing practices. The Cherokee used it particularly for eye complaints and skin conditions. Its naturalization was so complete that many tribes treated it as a native plant."
[1]
Traditional Chinese Medicine
- Known as Fan Lü (繁缕) — used to promote lactation and as a nutritive tonic
- Applied externally for snake bites, skin sores, and traumatic injuries
- Used to invigorate blood and relieve pain in some regional traditions
- Not a major herb in classical TCM formulary but recognized in regional folk medicine traditions across China
"Stellaria media is documented in Chinese materia medica as Fan Lü. It appears in the Bencao Gangmu (Li Shizhen, 1596) and earlier regional herbals. Its use is more prominent in Chinese folk medicine than in classical TCM prescribing, where it is considered a minor herb. Primary folk indications include promoting lactation, treating skin conditions, and as a nutritive spring food."
[3]
Western clinical herbalism (modern)
- First-line topical herb for itchy eczema and dermatitis, especially in children — used as cream, salve, or fresh poultice
- Internal alterative for chronic skin conditions: taken as tea or tincture alongside topical application for eczema, psoriasis, and acne
- Nutritive tonic for recovery from illness, poor appetite, and general debility
- Urinary demulcent in formulas for cystitis and urethritis
- Gentle respiratory demulcent for dry, irritated coughs
- Combined with Calendula, Chamomile, Plantain, and Comfrey in topical skin formulas
- Weight loss support (folk tradition — mechanism unclear; possibly mild diuretic and metabolic effects)
"Modern Western herbalists use chickweed primarily as a topical anti-inflammatory and demulcent, particularly for eczema. David Hoffmann recommends it as a poultice for irritated skin conditions and internally as a gentle alterative. Bone and Mills note its saponin-based anti-inflammatory activity. It remains one of the safest and most gentle herbs in the Western materia medica."
Modern Research
Anti-inflammatory and antioxidant activity
In vitro and in vivo studies have investigated the anti-inflammatory and antioxidant properties of Stellaria media extracts, providing pharmacological support for the traditional skin and internal inflammatory uses.
Findings: Methanolic and aqueous extracts of S. media aerial parts demonstrated significant anti-inflammatory activity in carrageenan-induced paw edema models in rats (comparable to indomethacin at certain doses). In vitro, extracts inhibited COX-2 activity, reduced production of TNF-α and IL-6 in LPS-stimulated macrophages, and showed strong DPPH radical scavenging activity. The flavonoid fraction (particularly luteolin and apigenin glycosides) was the most active anti-inflammatory fraction.
Limitations: Most studies used crude extracts rather than standardized preparations. Animal model doses may not directly translate to topical or internal human use. No large human clinical trials for anti-inflammatory endpoints.
[2]
Antipruritic (anti-itch) mechanism — mast cell stabilization
The antipruritic effects of chickweed have been investigated with attention to mast cell degranulation, a key driver of itch in eczema and allergic dermatitis.
Findings: Luteolin, a major flavonoid in S. media, inhibits mast cell degranulation and histamine release in a dose-dependent manner. The saponin fraction also demonstrated membrane-stabilizing effects on mast cells. Combined, these constituents provide a dual mechanism for reducing itch: flavonoid-mediated mast cell stabilization plus saponin-mediated anti-inflammatory reduction of the overall inflammatory cascade. This provides a clear pharmacological rationale for the long-standing traditional use of chickweed poultices for itchy skin.
Limitations: Mechanism studies are based on isolated compounds and in vitro mast cell models. Clinical validation in human eczema patients is limited to traditional use reports and case series rather than controlled trials.
[2]
Wound healing activity
Animal studies have evaluated the wound healing properties of S. media extracts, relevant to the traditional vulnerary use.
Findings: Topical application of S. media aqueous extract accelerated wound closure in excision wound models in rats. Treated wounds showed faster epithelialization, increased collagen deposition, and greater tensile strength compared to control. Hydroxyproline content (a marker of collagen synthesis) was significantly increased. The wound healing activity was attributed to the combined effects of anti-inflammatory saponins, antioxidant flavonoids, and nutritive constituents (vitamin C, minerals) supporting tissue repair.
Limitations: Animal wound models only. Preparation methods and concentrations varied between studies. No controlled human wound healing studies.
[2]
Antimicrobial activity
Screening studies have evaluated S. media extracts against common pathogenic bacteria and fungi.
Findings: Methanolic extracts demonstrated moderate antimicrobial activity against Staphylococcus aureus, Bacillus subtilis, and Escherichia coli. Antifungal activity was observed against Candida albicans and some dermatophyte species. Activity was attributed primarily to the saponin and phenolic acid fractions. Antimicrobial potency is moderate — chickweed is not a primary antimicrobial herb but the activity supports its traditional use in wound care and skin infections.
Limitations: In vitro disc diffusion and MIC studies only. Antimicrobial activity is moderate and unlikely to replace conventional antimicrobials for established infections.
[2]
Nutritional analysis and antioxidant capacity
Analytical studies have characterized the nutritional profile and total antioxidant capacity of S. media, supporting its traditional classification as a nutritive tonic.
Findings: Fresh S. media aerial parts contain significant levels of vitamin C (100–180 mg/100g fresh weight in some analyses — higher than many cultivated leafy vegetables), beta-carotene, B vitamins, and minerals including calcium (520 mg/100g dry weight), potassium (640 mg/100g dry weight), iron, zinc, manganese, and silicon. Total antioxidant capacity (measured by ORAC, FRAP, and DPPH assays) is substantial, comparable to well-known antioxidant food plants. The flavonoid content contributes the majority of non-vitamin antioxidant activity.
Limitations: Nutrient content varies with growing conditions, season, soil quality, and preparation method. Drying reduces vitamin C content significantly. Most analyses performed on European specimens — geographic variation may occur.
[3]
Anti-obesity and lipid-modulating effects
Preliminary studies have investigated the folk claim that chickweed supports weight management, examining lipid-modulating and appetite-related effects.
Findings: Saponin-rich fractions from S. media delayed pancreatic lipase activity in vitro, suggesting a potential mechanism for reduced dietary fat absorption. In high-fat-diet rodent models, S. media extract supplementation was associated with reduced weight gain, lower serum triglycerides, and reduced adipose tissue accumulation compared to control. The mechanism may involve both lipase inhibition and the saponin content acting as a mild metabolic modulator.
Limitations: Very preliminary — animal studies with small sample sizes. The traditional 'weight loss' claim is folk-level evidence. Human studies have not been conducted. Doses in animal studies may not be achievable with normal dietary or supplemental use.
[2]
Hepatoprotective activity
Screening studies have evaluated the hepatoprotective potential of S. media extracts in chemical-induced liver injury models.
Findings: S. media ethanolic extract demonstrated hepatoprotective effects in carbon tetrachloride-induced liver injury models in rats. Treated animals showed reduced ALT, AST, and ALP levels compared to hepatotoxin-only controls. Liver histology showed reduced necrosis and inflammatory infiltration. The antioxidant flavonoid fraction was proposed as the primary protective mechanism.
Limitations: Single chemical hepatotoxin model (CCl4). The hepatoprotective effect is modest and has not been studied in human liver conditions. Not a primary hepatoprotective herb.
[2]
Preparations & Dosage
Poultice
Strength: Fresh herb, bruised or blended
Gather fresh chickweed aerial parts. Bruise or chop the plant material to release juice. Apply directly to affected skin area as a thick layer. Cover with a clean cloth or gauze and secure. Replace every 2–4 hours or when the poultice warms and dries. For convenience, the fresh plant can be blended with a small amount of water to create a paste. A traditional variation: mix fresh chopped chickweed with a small amount of slippery elm bark powder to create a thicker, more adhesive poultice.
Apply liberally to affected area.
2–4 times daily, or as needed for itch relief.
May be used ongoing for chronic skin conditions. No time limit for topical use.
Safe for children — one of the gentlest topical herbs available. Apply as for adults.
The fresh poultice is the most traditional and often the most effective preparation for itchy, inflamed skin. The immediate cooling and soothing sensation is partly due to the evaporative cooling of the fresh plant moisture and partly due to the anti-inflammatory constituents. This is the preparation to teach first-year herbalism students — it demonstrates the concept of 'let food be thy medicine' perfectly.
Salve / Ointment
Strength: Fresh herb infused oil, thickened with beeswax
Infuse fresh or recently wilted chickweed in olive oil (or other carrier oil) using the folk method: pack a jar with fresh herb, cover with oil, cap loosely, and allow to infuse in a warm place for 2–4 weeks, stirring occasionally. OR use gentle heat: warm fresh herb in oil at 40–50°C for 4–8 hours. Strain thoroughly (squeeze out all oil from the plant material). Add beeswax (approximately 1 oz per 8 oz oil) to melted infused oil. Pour into containers. For enhanced activity, add vitamin E oil (as antioxidant preservative) and optionally essential oils of lavender or chamomile.
Apply to affected skin 2–4 times daily.
2–4 times daily or as needed.
No time limit for topical use.
Safe for infants and children. Apply as for adults.
Chickweed salve is one of the most popular herbal products in Western herbalism. It provides a convenient, shelf-stable way to apply chickweed's anti-inflammatory and antipruritic effects. Fresh herb is strongly preferred over dried for oil infusion — the moisture content creates a risk of microbial contamination during infusion, so careful preparation and adequate straining are important. Some herbalists add Calendula flowers and Plantain leaf to the infusion for a synergistic skin-healing salve.
[1]
Infusion (Tea)
Strength: 2–5 g dried herb per 250 mL, or generous handful fresh herb
Pour 250 mL boiling water over 1–2 tablespoons (2–5 g) of dried chickweed herb (or a generous handful of fresh herb). Cover and steep for 10–15 minutes. Strain and drink. Fresh herb infusion will have stronger demulcent quality due to preserved mucilage.
1 cup (250 mL), 3 times daily.
3 times daily.
May be used long-term. Reassess after 4–8 weeks if using for a specific therapeutic goal.
Half adult dose for children 6–12. Safe for younger children in small amounts as a food.
Internal infusion is used for urinary irritation, digestive inflammation, dry cough, and as a general nutritive tonic. The taste is mild, pleasant, and slightly sweet — one of the more palatable herbal teas. Can be combined with Nettle leaf, Cleavers, and Red Clover for a spring tonic blend.
Tincture
Strength: 1:2 fresh herb in 25% ethanol (preferred); 1:5 dried herb in 25–45% ethanol
Fresh plant tincture is preferred: chop fresh aerial parts and macerate in 25% ethanol at a ratio of 1:2 for 2–4 weeks. Dried plant tincture: macerate dried herb in 25–45% ethanol at 1:5 for 2–4 weeks. Shake daily. Press and filter.
2–5 mL, 3 times daily.
3 times daily.
May be used for extended periods (weeks to months). Reassess periodically.
0.5–1 mL, 2–3 times daily for children 6–12.
Fresh plant tincture is preferred because it captures the mucilaginous quality better than dried herb tincture. The low alcohol percentage (25%) is adequate for chickweed's water-soluble constituents and preserves the mucilage in suspension. Higher alcohol concentrations may precipitate mucilage.
[1]
Fresh Juice / Expressed Juice
Strength: Expressed fresh juice, undiluted or minimally diluted
Juice fresh chickweed aerial parts through a juicer or by blending with a small amount of water and straining through cheesecloth. Use immediately or refrigerate for up to 2 days. Can be preserved with 20% alcohol (add 1 part vodka to 4 parts juice) for longer storage.
10–20 mL fresh juice, 2–3 times daily.
2–3 times daily.
Seasonal use — available when plant is in fresh growth.
5–10 mL, 1–2 times daily.
Fresh juice captures the full nutritive and mucilaginous profile. This is the closest to eating the plant as food. Traditional spring tonic use often involved simply juicing or blending fresh chickweed. Can also be applied topically to skin irritations. Best preparation for maximum vitamin C and mineral content.
[3]
Safety & Interactions
Class 1
Can be safely consumed when used appropriately (AHPA Botanical Safety Handbook)
Contraindications
Rare but possible. Discontinue if contact dermatitis or allergic reaction occurs with topical application.
Drug Interactions
| Drug / Class | Severity | Mechanism |
|---|---|---|
| Warfarin and other coumarin anticoagulants (Anticoagulants) | theoretical | Chickweed contains vitamin K (as a green leafy plant) which could theoretically affect warfarin dosing if consumed in large, variable quantities as a food. The coumarin content is too low to contribute anticoagulant effects. This is the same interaction concern as with any green leafy vegetable — keep intake consistent rather than widely variable. |
| Lithium (Mood stabilizers) | theoretical | The mild diuretic action of chickweed could theoretically alter lithium excretion. Any herb with diuretic properties has a theoretical interaction with lithium, which has a narrow therapeutic index and is renally cleared. |
Pregnancy & Lactation
Pregnancy
likely safe
Lactation
likely safe
Chickweed has a long history of safe use as a food plant during pregnancy and lactation. It has been traditionally used to support lactation in China and Europe. No known teratogenic, abortifacient, or emmenagogue effects. The AHPA Botanical Safety Handbook classifies it as Class 1 (can be safely consumed when used appropriately) with no specific pregnancy or lactation restrictions. One of the few herbs considered safe enough for topical use on infants.
Adverse Effects
References
Monograph Sources
- [1] Hoffmann D. Medical Herbalism: The Science and Practice of Herbal Medicine. Healing Arts Press, Rochester, VT (2003)
- [2] Bone K, Mills S. Principles and Practice of Phytotherapy: Modern Herbal Medicine, Second Edition. Churchill Livingstone/Elsevier, Edinburgh (2013)
- [3] Chevallier A. Encyclopedia of Herbal Medicine, Third Edition. DK Publishing, London (2016)
Traditional Texts
- [4] Gardner Z, McGuffin M (eds.). American Herbal Products Association's Botanical Safety Handbook, Second Edition. CRC Press, Boca Raton (2013)
- [5] Grieve M. A Modern Herbal. Jonathan Cape, London (reprinted Dover Publications) (1931)
Last updated: 2026-03-23 | Status: published
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