North America Native Plant

False Daisyleaf Moonwort

Botanical name: Botrychium pseudopinnatum

USDA symbol: BOPS

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

False Daisyleaf Moonwort: A Rare Woodland Treasure Worth Protecting Meet one of North America’s most elusive native ferns – the false daisyleaf moonwort (Botrychium pseudopinnatum). This tiny woodland dweller is so rare that spotting one in the wild is like finding a botanical needle in a haystack. If you’re lucky ...

Rare plant alert!

Region: Conservation status by state

Status: S1: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

False Daisyleaf Moonwort: A Rare Woodland Treasure Worth Protecting

Meet one of North America’s most elusive native ferns – the false daisyleaf moonwort (Botrychium pseudopinnatum). This tiny woodland dweller is so rare that spotting one in the wild is like finding a botanical needle in a haystack. If you’re lucky enough to encounter this little gem, you’re witnessing something truly special.

What Makes This Fern So Special?

The false daisyleaf moonwort is a perennial fern that’s part of the fascinating moonwort family. Unlike the showy ferns you might know from your garden center, this little guy is delightfully understated. Growing just 2-6 inches tall, it produces distinctive forked fronds with a sterile leaf blade that resembles – you guessed it – a daisy leaf pattern. The name moonwort comes from the crescent-shaped segments on some species in this genus.

Where Does It Call Home?

This rare fern is native to both Canada and the northern United States. You’ll find it naturally occurring in Ontario, Minnesota, and Wisconsin, where it quietly goes about its business in woodland settings. The false daisyleaf moonwort thrives in USDA hardiness zones 3-6, making it well-adapted to cooler northern climates.

A Conservation Concern

Here’s where things get serious, fellow plant enthusiasts. The false daisyleaf moonwort has a Global Conservation Status of S1, which means it’s critically imperiled. With typically 5 or fewer occurrences and very few remaining individuals (fewer than 1,000), this fern is teetering on the edge of extinction due to extreme rarity and factors that make it especially vulnerable.

What does this mean for gardeners? Simply put, this isn’t a plant you should be trying to grow in your backyard. Its rarity makes it precious in its natural habitat, and attempting to cultivate it could potentially harm wild populations.

Why Is It So Rare?

The false daisyleaf moonwort’s rarity stems from its incredibly specific growing requirements. This fern depends on complex relationships with soil fungi (mycorrhizae) to survive – partnerships that have evolved over thousands of years. It prefers moist, rich woodland soils in partial to full shade, conditions that are becoming increasingly scarce due to habitat loss and fragmentation.

Garden and Landscape Role

While the false daisyleaf moonwort would theoretically make an interesting conversation piece in specialized native plant collections or conservation gardens, its critical status means it’s best appreciated in its natural woodland settings. If you’re interested in creating habitat for rare native plants, focus on:

  • Preserving existing woodland areas
  • Planting other native woodland species that support healthy forest ecosystems
  • Supporting conservation organizations working to protect rare plant habitats

Better Alternatives for Your Garden

Instead of trying to grow this rare beauty, consider these native alternatives that can bring similar woodland charm to your landscape:

  • Christmas fern (Polystichum acrostichoides)
  • Maidenhair fern (Adiantum pedatum)
  • Royal fern (Osmunda regalis)
  • Wild ginger (Asarum canadense) for groundcover

How to Help

The best thing gardeners can do for the false daisyleaf moonwort is to support its conservation. If you’re fortunate enough to spot one during a woodland walk, resist the urge to disturb it. Instead:

  • Take photos (from a respectful distance)
  • Report your sighting to local botanical organizations
  • Support habitat conservation efforts in your area
  • Choose native plants for your own garden to support overall biodiversity

Sometimes the greatest act of love for a plant is leaving it exactly where it belongs – thriving in its natural home, contributing to the intricate web of life that makes our woodlands so magical. The false daisyleaf moonwort may be small and inconspicuous, but it represents something invaluable: the wild diversity that makes our natural world so extraordinary.

False Daisyleaf Moonwort

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Ophioglossales

Family

Ophioglossaceae Martinov - Adder's-tongue family

Genus

Botrychium Sw. - grapefern

Species

Botrychium pseudopinnatum W.H. Wagner - false daisyleaf moonwort

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