North America Native Plant

Oriental Clubmoss

Botanical name: Huperzia somae

USDA symbol: HUSO3

Life cycle: perennial

Habit: subshrub

Native status: Native to Hawaii  

Synonyms: Lycopodium somae Hayata (LYSO4)   

Oriental Clubmoss: A Rare Hawaiian Native Worth Knowing Meet the Oriental clubmoss (Huperzia somae), a fascinating little plant that’s as mysterious as it is unique. This perennial Hawaiian native belongs to an ancient group of plants called clubmosses or lycopods – living fossils that have been around since before dinosaurs ...

Oriental Clubmoss: A Rare Hawaiian Native Worth Knowing

Meet the Oriental clubmoss (Huperzia somae), a fascinating little plant that’s as mysterious as it is unique. This perennial Hawaiian native belongs to an ancient group of plants called clubmosses or lycopods – living fossils that have been around since before dinosaurs walked the Earth!

What Exactly Is Oriental Clubmoss?

Despite its name, Oriental clubmoss isn’t actually a moss at all. It’s a lycopod, which makes it more closely related to ferns than to true mosses. These plants are like botanical time travelers, representing some of the earliest vascular plants on our planet. Think of them as the great-great-grandparents of the plant world!

Huperzia somae grows as a small, herbaceous perennial without any significant woody tissue above ground. You might also see it referred to by its scientific synonym, Lycopodium somae Hayata, in older botanical references.

Where Does It Call Home?

This special little plant is endemic to Hawaii, meaning you won’t find it growing wild anywhere else in the world. It’s exclusively found within the Hawaiian islands, making it a true local treasure.

Is Oriental Clubmoss Beneficial in Gardens?

While Oriental clubmoss might not be the showstopper you’d typically think of for garden appeal, it serves some pretty cool ecological purposes:

  • It represents Hawaii’s unique botanical heritage
  • As a native species, it’s perfectly adapted to local conditions
  • It adds educational value to native plant collections
  • It helps preserve genetic diversity of ancient plant lineages

However, there’s an important caveat here: due to the limited information available about this species and its apparent rarity, it’s not commonly available in the nursery trade. If you’re interested in Hawaiian native plants, there are many other beautiful and more readily available options to consider.

How to Identify Oriental Clubmoss

Identifying clubmosses can be tricky since they’re quite small and often overlooked. Here’s what to look for:

  • Small, scale-like leaves arranged in a spiral pattern around the stems
  • No true flowers – clubmosses reproduce via spores
  • Low-growing, herbaceous appearance
  • Perennial growth habit, meaning it comes back year after year

Keep in mind that positive identification of Huperzia somae specifically would require botanical expertise, as many clubmoss species look quite similar to the untrained eye.

A Word About Conservation

Given that this is a Hawaiian endemic species with limited documentation in horticultural sources, it’s likely quite rare in the wild. If you’re passionate about Hawaiian native plants, consider supporting local conservation efforts and botanical gardens that work to preserve these unique species.

For home gardeners interested in incorporating Hawaiian natives into their landscapes, there are many other wonderful endemic species that are better studied, more readily available, and easier to grow successfully.

The Bottom Line

Oriental clubmoss is one of those plants that’s more fascinating from a botanical and conservation perspective than from a practical gardening standpoint. It represents millions of years of evolutionary history and Hawaii’s incredible plant diversity. While you probably won’t be adding it to your weekend garden center shopping list, knowing about species like this helps us appreciate the amazing variety of plant life that calls our islands home.

If you’re interested in Hawaiian native plants for your garden, consider reaching out to local native plant societies or botanical gardens – they can point you toward beautiful, readily available species that will thrive in your specific location while supporting local ecosystems.

Oriental Clubmoss

Classification

Group

Lycopod

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Lycopodiophyta - Lycopods

Subdivision
Class

Lycopodiopsida

Subclass
Order

Lycopodiales

Family

Lycopodiaceae P. Beauv. ex Mirb. - Club-moss family

Genus

Huperzia Bernh. - clubmoss

Species

Huperzia somae (Hayata) Ching - Oriental clubmoss

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