North America Native Plant

Tongueshape Bogmat

Botanical name: Wolffiella lingulata

USDA symbol: WOLI

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states âš˜ Native to Puerto Rico  

Synonyms: Wolffia lingulata Hegelm. (WOLI2)   

Tongueshape Bogmat: A Tiny Native Wonder for Your Water Garden If you’re looking to add authentic native character to your pond or water feature, you might want to consider one of nature’s most petite performers: the tongueshape bogmat (Wolffiella lingulata). This diminutive floating plant might be small in stature, but ...

Tongueshape Bogmat: A Tiny Native Wonder for Your Water Garden

If you’re looking to add authentic native character to your pond or water feature, you might want to consider one of nature’s most petite performers: the tongueshape bogmat (Wolffiella lingulata). This diminutive floating plant might be small in stature, but it packs a big punch when it comes to supporting healthy aquatic ecosystems in your backyard water garden.

What Exactly Is Tongueshape Bogmat?

Tongueshape bogmat is a tiny perennial floating aquatic plant that belongs to the duckweed family. Don’t let its microscopic size fool you – each individual plant, called a frond, is only 2-10 millimeters long and shaped like a miniature tongue, hence its descriptive common name. These little green gems cluster together to form floating mats on the water’s surface, creating a living carpet that’s both functional and fascinating.

As a native forb (that’s a fancy term for a non-woody flowering plant), tongueshape bogmat has been naturally occurring in American waterways long before any of us started thinking about backyard pond design. It’s a true perennial, meaning it’ll stick around year after year in the right conditions.

Where Does It Call Home?

This native beauty has quite the sunbelt distribution, naturally occurring across California, Florida, Louisiana, Texas, and Puerto Rico. It’s perfectly adapted to the warm, humid conditions of these regions and has been quietly doing its ecological work in ponds, marshes, and slow-moving waterways for centuries.

Why Consider Tongueshape Bogmat for Your Water Garden?

While tongueshape bogmat might not win any awards for showy blooms or dramatic foliage, it brings several valuable benefits to aquatic gardens:

  • Natural water filtration: Like other floating plants, it helps absorb excess nutrients from the water, reducing algae growth
  • Habitat creation: Provides shelter and foraging opportunities for aquatic wildlife
  • Authentic native ecosystem: Supports local biodiversity and creates genuine regional habitat
  • Low maintenance: Once established, requires virtually no care
  • Natural reproduction: Spreads through simple fragmentation, maintaining itself

Is It Right for Your Garden?

Tongueshape bogmat is perfect for gardeners who want to create authentic wetland habitats or support native aquatic ecosystems. It’s ideally suited for:

  • Natural-style ponds and water gardens
  • Wetland restoration projects
  • Wildlife habitat gardens with water features
  • Educational or demonstration aquatic gardens

However, it might not be the best choice if you’re looking for dramatic visual impact or if you prefer highly manicured, formal water features. Its tiny size means it won’t create the bold statement that larger aquatic plants provide.

Growing Conditions and Care

The good news is that tongueshape bogmat is refreshingly straightforward to grow – if you can meet its basic needs. As an obligate wetland plant, it absolutely requires aquatic conditions and won’t survive outside of water.

Essential requirements:

  • Water: Standing or very slow-moving freshwater
  • Temperature: Thrives in USDA hardiness zones 8-11
  • Light: Full to partial sun exposure
  • Water quality: Prefers nutrient-rich conditions but adapts to various water chemistries

Planting and Establishment Tips

Getting started with tongueshape bogmat is wonderfully simple. Since it reproduces naturally through fragmentation, you can introduce it to your water feature by simply placing healthy specimens in suitable conditions. The plant will naturally spread and establish colonies over time.

Keep in mind that because of its tiny size, it may take some time to notice significant coverage. Be patient – good things come to those who wait, especially when working with nature’s smallest performers!

The Bottom Line

Tongueshape bogmat represents the beauty of thinking small and native. While it won’t dominate your water garden with flashy displays, it offers the satisfaction of supporting genuine local ecology in your own backyard. For water gardeners in the South and Southwest who value authentic native habitats over ornamental showstoppers, this tiny floating wonder might just be the perfect addition to create a thriving, biodiverse aquatic ecosystem.

Remember, the most rewarding gardens often include the quiet champions alongside the attention-grabbers. Sometimes the smallest players make the biggest difference in creating truly sustainable, ecologically valuable garden spaces.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Atlantic and Gulf Coastal Plain

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Great Plains

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Western Mountains, Valleys, and Coast

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Tongueshape Bogmat

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Arecidae

Order

Arales

Family

Lemnaceae Martinov - Duckweed family

Genus

Wolffiella Hegelm. - bogmat

Species

Wolffiella lingulata (Hegelm.) Hegelm. - tongueshape bogmat

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA