False barley, Hordeum murinum, Farmer’s foxtail, way barley, Hare barley

Last updated: February 8, 2026Reviewed date: February 8, 2026Reading time: 10 min read

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Article Summary

Key Takeaways

This article explains False barley Facts in simple medical language.
This article explains False Barley Scientific Classification in simple medical language.
This article explains Plant description in simple medical language.
This article explains Culinary uses in simple medical language.

Educational health guideWritten for patient understanding and clinical awareness.

Reviewed content workflowUse writer and reviewer profiles for stronger trust.

Emergency safety firstUrgent warning signs are highlighted below.

Seek urgent medical care if you notice

These warning signs are general safety guidance. Local emergency numbers and clinical judgment should always come first.

Severe symptoms, breathing difficulty, fainting, confusion, or rapidly worsening illness.
New weakness, severe pain, high fever, or symptoms after a serious injury.
Any symptom that feels urgent, unusual, or unsafe for the patient.

Emergency now

Use emergency care for severe, sudden, rapidly worsening, or life-threatening symptoms.

See a doctor

Book a professional medical evaluation if symptoms persist, worsen, recur often, affect daily activities, or occur in a high-risk patient.

Learn safely

Use this article to understand possible causes, tests, treatment options, prevention, and questions to ask your clinician.

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Definition

False barley scientifically known as Hordeum murinum is a common weed in areas of human disturbance belonging to Poaceae ⁄ Gramineae (Grass family). The plant is native to Central Europe, North Africa, western Asia, and the Caucasus region. It has naturalized in North America, South America, Australia, and New Zealand. It is supposed to have originated around seasides, sandy riverbanks, and animal watering holes. It is now an established weed in the southwestern Flora region and other distributed locations. The records in Alaska are from the Anchorage area. Prostrate plants are related to grazing. Hare barley may have reached in California with Spanish settlers and is more common than Mediterranean barley in disturbed, dry upland areas. Some of the well-known common names of the plant are false barley, Mouse barley, Wall barley, Wild barley, Farmer’s foxtail, bulbous barley, way barley, Smooth barley, Hare barley, way bentgrass, and also foxtail.

Wall barley is an annual grass common in central, southern, and eastern England, and scattered elsewhere. It is found on waste and rough ground and barish patches in rough grassland. It occurs on the margins of cultivated fields. Distribution is related both to the availability of ruderal habitats and to climate. The frequency decreases with increasing rainfall combined with decreasing temperatures, although, it can cope with greater rainfall if temperatures are higher. In ruderal situations, it spreads further into cooler wetter regions by taking advantage of features such as the base walls where conditions are locally warmer and drier.

False barley Facts

Name	False barley
Scientific Name	Hordeum murinum
Native	Central Europe, North Africa, western Asia, and the Caucasus region. It has naturalized in North America, South America, Australia, and New Zealand
Common Names	False barley, Mouse barley, Wall barley, Wild barley, Farmer’s foxtail, bulbous barley, way barley, Smooth barley, Hare barley, way bentgrass, foxtail
Name in Other Languages	Albanian: Elb, elbi i egër Arabic: Sunbulet el fâr Brazil: Erva-de-espiga Bulgarian: Mishi echemik (миши ечемик) Catalan: Margall bord, espigadella, espigatrencat, pèl de ca, cua de rata Croatian: Stoklasa Czech: Je, ječmen myší Danish: Gold byg Dutch: Kruipertje, muizengerst English: False barley, Mouse barley, Wall barley, Wild barley, Farmer’s foxtail, bulbous barley, way barley, Smooth barley, Hare barley, way bentgrass Finnish: Hiirenohra French: Orge des murs, Orge des rats, Orge queue de souris, Orge queue-de-rat, Orge des souris, Way barley German: Hundsgerste, Mäusegerste Greek: Krithí i mýouros (Κριθή η μύουρος), agriokrítharo (αγριοκρίθαρο) Hungarian: Egérárpa Italian: Erba codola, Forasacco, Grano canino, Orzo dei muri, Orzo des ratti, Orzo selvatico, erba spiga, Orzo murino Japanese: Mugi kusa (ムギクサ) ko mugi (コムギ), mugi (ムギ), rai-mugi (ライムギ), ô-mugi (オオムギ) Netherlands: Gerst, muizen, kruipertje Norwegian: Musebygg Persian: جو وحشي Polish: Jęczmień płonny, jęczmień płony Portuguese: Cevada-de-ponche-verde, Cevada-dos-ratos, erva-de-espiga, Cevadinha-das-Lebres Romanian: Orzul șoarecilor Russian: Yachmen’ myshinnyy (Ячмень мышинный) Iachmen’ myshinnyi, yachmen’ zayachiy (ячмень заячий) Serbian: Divlji ječam (дивљи јечам), popino prase (попино прасе) Slovak: Jačmeň myší Slovene: Mišji ječmen Spanish: Cebadilla del campo, cebada ratonera, cebadilla, cola de zorro, espigadilla, cebada de ratones, cebadilla Silvestre, cola de ratim, pillanovias, pixaca, pizcanovias, spiguilla, Cebadilla ratonera Swedish: Vildkorn, Hiirenohra, harkorn Turkish: Duvar arpası, pisipisi out Ukrainian: yachminʹ myshachiy (ячмінь мишачій)
Plant Growth Habit	Many branched, spreading, or nearly prostrate annual grass
Growing Climates	Deserts, desert scrub, arid grassland, pastures, abandoned fields, open vegetation along roadsides, on the margins of cultivated fields, around buildings, irrigation ditches, vacant lots and lawns
Plant Size	Grow to 30 cm in height and its unbranched spikes can reach 10 cm long
Leaf	Leaf Sheaths are open and glabrous; auricles are well-developed on most leaves and can be 1-2 mm. long. Leaf blades are smooth to hairy and 2 to 6 mm wide
Flowering season	May through July
Flower	Racemes are single, linear, or oblong, bilateral and 4-12 cm long. Rhachis is delicate at the nodes and is flattened. Spikelet packing is broadside to rhachis
Fruit Shape & Size	Dry fruit – caryopsis
Fruit Color	Brown
Propagation	By Seed
Traditional Medicinal Use	A decoction of the plant has been used in the treatment of bladder ailments.
Precautions	The awns of mature plants can cause serious injury to the eyes, noses, and throats of grazing animals.

False Barley Scientific Classification

Scientific Name: Hordeum murinum

Rank	Scientific Name & (Common Name)
Kingdom	Plantae (Plants)
Subkingdom	Tracheobionta (Vascular plants)
Infrakingdom	Streptophyta (land plants)
Super Division	Spermatophyta (Seed plants)
Division	Magnoliophyta (Flowering plants)
Sub Division	Spermatophytina (spermatophytes, seed plants, phanérogames)
Class	Liliopsida (Monocotyledons)
Sub Class	Commelinidae
Super Order	Lilianae (monocots, monocotyledons, monocotylédones)
Order	Cyperales
Family	Poaceae ⁄ Gramineae (Grass family)
Genus	Hordeum L. (barley)
Species	Hordeum murinum L. (mouse barley)
Synonyms	Critesion murinum (L.) Á.Löve Critesion murinum subsp. murinum Hordeum boreale Gand Hordeum coleophorum Phil Hordeum delphicum Gand Hordeum depilatum Gand Hordeum dilatatum Gand Hordeum elongatum Gand Hordeum flexicaule Gand Hordeum hohenackeri Gand Hordeum microcladum Gand Hordeum murinum var. glaucescens Zapal Hordeum murinum var. leptostachys Trab Hordeum murinum var. majus Godr Hordeum murinum f. montanum Hack Hordeum murinum subsp. montanum (Hack.) H.Scholz & Raus Hordeum murinum subsp. murinum Hordeum murinum subsp. setariurum H.Scholz & Raus Hordeum murinum var. simulans Bowden Hordeum neglectum Gand Hordeum pseudomurinum Tapp. ex W.D.J.Koch Hordeum rubens Willk Hordeum vaginatum K.Koch Triticum murale Salisb Zeocriton murinum (L.) P.Beauv

Plant description

False barley is a many-branched, spreading, or nearly prostrate annual grass that normally grows about 30 cm in height, and its unbranched spikes can reach 10 cm long. The plant is found growing in Deserts, desert scrub, arid grassland, pastures, and abandoned fields, open vegetation along roadsides, on the margins of cultivated fields, around buildings, irrigation ditches, vacant lots, and lawns. It is quite widespread and common. Leaf Sheaths are open and glabrous; auricles are well-developed on most leaves and can be 1-2 mm. long. Leaf-blades are smooth to hairy and 2 to 6 mm wide. Ligules are barely 1 mm.

Inflorescence

The inflorescence is composed of racemes. Racemes are single, linear, or oblong, bilateral and 4-12 cm long. Rhachis is delicate at the nodes and is flattened. Spikelet packing is broadside to rhachis. Rhachis internodes are oblong and 3-3.5 mm long; falling with spikelet above. Fertile spikelets are sessile and 1 in the cluster. Companion sterile spikelets are pedicelled; 2 in the cluster. Pedicels are oblong.

Spikelets

Companion sterile spikelets are well-developed containing empty lemmas, or male; lanceolate, dorsally compressed, 7-11 mm long; as long as fertile; deciduous with the fertile. Companion sterile spikelet glumes are subulate, 16-30 mm long, ciliate on margins, or ciliate on margins. Companion sterile spikelet lemmas are exerted from glumes, 7-11 mm long with 10-40 mm long awn. Spikelets comprise of 1 fertile floret without rhachilla extension. Spikelets are lanceolate, dorsally compressed, 7-12 mm long, and deciduous with accessory branch structures.

Glume

Glumes are collateral, similar; gaping. The lower glume is subulate about 25-30 mm long, 1 length of upper glume. Lower glume margins ciliate.

Florets

Fertile lemma is lanceolate, 7-12 mm long, coriaceous, without keel, and 5 -veined. Lemma surface is scabrous; rough above. Lemma apex is acuminate and awned. Principal lemma awn is 18-50 mm long overall and limb scabrous.

Fruits

Caryopsis is with adherent pericarp, ellipsoid, sulcate on the hilar side, and hairy at the apex. The embryo is 0.2 length of caryopsis. The hilum is linear.

Culinary uses

Seed can be cooked and used as a piñole.
The seed can be ground into flour and used as a cereal in making bread, porridge, etc.

Other Facts

Weedy barley species are an important component of annual pastures.
This is useful for feeding grazing animals.
It is also the main source of forage for cattle production in areas with water deficits.

Management

In pasture, the grass should be cut or kept closely grazed down to prevent seeding and reduce injury to stock from the seed awns. Once the weed has flowered and set seed, even goats will not eat the seed heads. Maintaining a short but not overgrazed lawn has eliminated wall barley within 2 years. False barley does not compete well against a mixture of perennial ryegrass and white clover in the lawn.

References

Safety note: This is not a prescription or diagnosis. For severe symptoms, pregnancy danger signs, children with serious illness, chest pain, breathing difficulty, stroke-like weakness, or major injury, seek urgent care.

Which doctor may help?

Start with a registered doctor or the nearest qualified health center.

What to tell the doctor

Write when the problem started and how it changed.
Bring old prescriptions, investigation reports, and current medicines.
Write allergies, pregnancy status, diabetes, kidney/liver disease, and major past illnesses.
Bring one family member if the patient is weak, elderly, confused, or a child.

Questions to ask

What is the most likely cause of my symptoms?
Which danger signs mean I should go to hospital quickly?
Which tests are necessary now, and which can wait?
How should I take medicines safely and what side effects should I watch for?
When should I come for follow-up?

Tests to discuss

Vital signs: temperature, pulse, blood pressure, oxygen saturation
Basic physical examination by a clinician
CBC, urine test, blood sugar, or imaging only when clinically needed

Avoid these mistakes

Do not use antibiotics, steroid tablets/injections, or strong painkillers without proper medical advice.
Do not hide pregnancy, kidney disease, ulcer, allergy, or blood thinner use.
Do not delay emergency care when danger signs are present.

Medicine safety and first-aid guide

This section is for patient education only. It does not replace a doctor, pharmacist, or emergency care.

Safe first steps

Drink safe fluids and monitor temperature.
In dengue-prone areas, discuss CBC and platelet count when fever persists or warning signs appear.
Use tepid sponging for high fever discomfort; avoid ice-cold bathing.

OTC medicine safety

For fever, common fever medicine may be discussed with a clinician or pharmacist.
Avoid aspirin/ibuprofen-like medicines in suspected dengue unless a doctor says it is safe.

Avoid these mistakes

Do not start antibiotics without a proper medical decision.
Do not use steroid tablets or injections casually for quick relief.
Do not delay emergency care because of home remedies.

Get urgent help if

Fever with breathing difficulty, confusion, repeated vomiting, bleeding, severe weakness, stiff neck, or dehydration needs urgent care.

Medicine names, dose, and timing must be decided by a qualified clinician or pharmacist after checking age, pregnancy, allergy, other diseases, and current medicines.

For rural patients and family caregivers

Patient health record and symptom diary

Write your symptoms, medicines already taken, test results, and questions before visiting a doctor. This note stays on your device unless you print or copy it.

Doctor to discuss: Doctor / qualified healthcare provider

Tests to discuss with doctor

Basic vital signs: temperature, pulse, blood pressure, oxygen level if needed
Relevant blood, urine, imaging, or specialist tests only after clinical assessment

Questions to ask

What is the most likely cause of my symptoms?
Which warning signs mean I should go to emergency care?
Which tests are really needed now?
Which medicines are safe for my age, pregnancy status, allergy, kidney/liver/stomach condition, and current medicines?

Emergency warning signs such as chest pain, severe breathing difficulty, sudden weakness, confusion, severe dehydration, major injury, or loss of bladder/bowel control need urgent medical care. Do not wait for online information.

Go to emergency care if you notice:

Severe or rapidly worsening symptoms
Breathing difficulty, chest pain, fainting, confusion, severe weakness, major injury, or severe dehydration

Doctor / service to discuss: Qualified healthcare provider; specialist depends on symptoms and examination.

Step 1
Check danger signs first

If danger signs are present, seek emergency care and do not wait for online information.
Step 2
Record the symptom story

Write when symptoms started, severity, medicines already taken, allergies, pregnancy status, and test results.
Step 3
Visit a qualified clinician

A doctor, nurse, or qualified healthcare provider can examine you and decide which tests or treatment are needed.
Step 4
Do only useful tests

Do tests after clinical assessment. Avoid unnecessary tests, random antibiotics, or repeated medicines without diagnosis.
Step 5
Follow up and return early if worse

If symptoms worsen, new warning signs appear, or treatment is not helping, return for review quickly.

Rural patient practical tips

Take a written symptom diary and all previous prescriptions/test reports.
Do not hide medicines already taken, even herbal or over-the-counter medicines.
Ask which warning signs mean urgent referral to hospital.

This roadmap is for education. A real diagnosis and treatment plan requires history, examination, and clinical judgment.

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Frequently Asked Questions

Is this article a replacement for a doctor?

No. It is educational content only. Patients should consult a qualified clinician for diagnosis and treatment.

When should I seek urgent care?

Seek urgent care for severe symptoms, rapidly worsening condition, breathing difficulty, severe pain, neurological changes, or any emergency warning sign.

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