Tropical Moss Toxic?

Updated 2026-03-06| 5 min read| 3,301 found this helpful

Tropical Moss is confirmed non-toxic to cats, dogs, and horses, with no recorded adverse effects from accidental ingestion or contact.

No parts of this plant contain toxic phytochemicals that cause poisoning in common companion or livestock animals.

Unusual symptoms after exposure are almost always due to unrelated allergies or misidentification of a toxic lookalike, not this plant.

FAQ

Is Tropical Moss toxic to Humans?

No known toxic symptoms; rare mild skin irritation or digestive upset may occur in sensitive individuals with plant allergies (Non-toxic)

Is Tropical Moss toxic to Cats?

No known toxic symptoms from ingestion or casual contact with this species (Non-toxic)

Is Tropical Moss toxic to Dogs?

No known toxic symptoms from ingestion or casual contact with this species (Non-toxic)

Is Tropical Moss toxic to Horses?

No known toxic symptoms from ingestion or casual contact with this species (Non-toxic)

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Toxicity Details

Humans

Non-toxic

No known toxic symptoms; rare mild skin irritation or digestive upset may occur in sensitive individuals with plant allergies

Cats

Non-toxic

No known toxic symptoms from ingestion or casual contact with this species

Dogs

Non-toxic

No known toxic symptoms from ingestion or casual contact with this species

Horses

Non-toxic

No known toxic symptoms from ingestion or casual contact with this species

Toxicity Snapshot

Toxic PartsNo parts of this plant are known to be toxic to humans or common domestic animals

Exposure RouteNo toxic exposure routes identified; casual contact and accidental ingestion are low risk

Toxic CompoundsNo harmful toxic phytochemicals have been identified in Selaginella kraussiana

First Aid & Prevention

First 30 Minutes

• Rinse exposed skin or mouth with clean, cool water to remove residual plant matter after contact or ingestion
• Monitor the exposed individual (human or animal) for 1-2 hours for any signs of allergic reaction
• Offer small sips of fresh water to animals that ingested large amounts of foliage to soothe digestion

Contact Vet Immediately

• If your pet or horse develops persistent vomiting, diarrhea, or skin rashes after exposure
• If you are unsure whether the ingested plant is Tropical Moss or a visually similar toxic species
• If a human develops severe swelling, hives, or breathing difficulties after contact with the plant

Prevention

• Learn to distinguish Tropical Moss from its common toxic lookalikes to avoid dangerous misidentification
• Keep potted plants out of reach of very young children or teething pets if you are concerned about non-toxic foliage chewing
• Wear gardening gloves when handling any plants if you have a history of plant-related skin allergies

Treatment & Prognosis

• No specific targeted treatment is required for Tropical Moss exposure, as it is non-toxic
• Treat mild allergic reactions with over-the-counter antihistamines (for humans) or vet-prescribed anti-allergy medication (for animals)
• Provide supportive care such as hydration and rest if mild digestive upset occurs from eating large quantities of plant matter

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Professional Toxicology

Scientific NameSelaginella kraussiana

AliasesCushion Moss、Irish Moss、Krauss' Spikemoss、Spreading Club Moss、Trailing Irish Moss

Toxicity Grade

HumansNon-toxic

CatsNon-toxic

DogsNon-toxic

HorsesNon-toxic

Target Organs

No bodily organs are at risk of damage from exposure to this non-toxic plant

Mechanism of Action

• No toxic physiological mechanism has been identified, as this species does not produce compounds that disrupt normal bodily function in humans or domestic animals

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

Small companion mammals (rabbits, guinea pigs, hamsters): No known toxic risk; ingestion of small amounts is considered safe, though large quantities may cause mild, temporary digestive upset

Pet birds: No recorded toxic effects; casual chewing on foliage is unlikely to cause any adverse health effects

Reptiles and amphibians: Non-toxic if nibbled; safe to use as cleaned decorative foliage in reptile and amphibian enclosures

Confusion Risk

The following plants look similar and may be confused:

Common Irish Moss Sagina subulata

Often sold under the shared 'Irish Moss' common name; key difference is Sagina subulata produces small white flowers, while Selaginella kraussiana is a spikemoss that never produces flowers

True Cushion Moss Leucobryum glaucum

Visually similar low-growing, cushion-shaped foliage; key difference is true cushion moss is a bryophyte with much finer, softer foliage than the thicker, slightly firm fronds of Selaginella kraussiana

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Related Toxic Plants

Common Clubmoss

Lycopodium clavatum

Moderately toxic, contains alkaloids that cause digestive upset, neurological symptoms, and skin irritation

Staghorn Clubmoss

Lycopodium complanatum

Low to moderately toxic, causes vomiting, diarrhea, and general weakness if ingested in large quantities

Running Pine

Lycopodium annotinum

Moderately toxic, can lead to abdominal pain, blurred vision, and mild respiratory irritation in high doses

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Data Sources

1. ASPCA Animal Poison Control

This information is for reference only and does not constitute medical advice. If ingestion or poisoning is suspected, seek medical or veterinary attention immediately.