Native Plants

Epiphytic Curlygrass Fern

Schizaea poeppigiana

USDA symbol: SCPO

perennial forb

Puerto Rico: native

Meet the epiphytic curlygrass fern (Schizaea poeppigiana), one of Puerto Rico’s most intriguing native fern species. While you might not find this little-known beauty at your local garden center, understanding this unique plant helps us appreciate the incredible diversity of native flora in the Caribbean. The epiphytic curlygrass fern is ...

Epiphytic Curlygrass Fern: A Rare Puerto Rican Native Worth Knowing

Meet the epiphytic curlygrass fern (Schizaea poeppigiana), one of Puerto Rico’s most intriguing native fern species. While you might not find this little-known beauty at your local garden center, understanding this unique plant helps us appreciate the incredible diversity of native flora in the Caribbean.

What Makes This Fern Special?

The epiphytic curlygrass fern is a perennial species that belongs to a fascinating group of primitive ferns. Despite being classified botanically as a forb due to its non-woody tissue structure, this is definitely a true fern. What sets it apart is its epiphytic nature – meaning it grows on other plants rather than in soil, much like many orchids and bromeliads do in tropical environments.

You might also see this plant referenced by its synonym, Lophidium poeppigianum, in older botanical texts, but Schizaea poeppigiana is the currently accepted name.

Where Does It Call Home?

This fern is exclusively native to Puerto Rico, making it a true endemic treasure of the island. Its limited geographic distribution makes it a special representative of Puerto Rico’s unique ecosystem.

  • Species observed
  • No observations

Garden and Landscape Considerations

Here’s where things get interesting – and a bit challenging. The epiphytic curlygrass fern isn’t your typical garden plant. Its specialized growing requirements and rarity mean it’s not commonly cultivated in home landscapes. This fern typically grows as what’s called a facultative upland species, meaning it usually prefers non-wetland conditions but can occasionally tolerate some moisture.

Is This Fern Right for Your Garden?

Honestly? Probably not, and here’s why:

  • Extremely limited availability – you’re unlikely to find it for sale anywhere
  • Specialized epiphytic growing requirements that are difficult to replicate
  • Very little documented information about cultivation needs
  • Potentially rare status (though this isn’t definitively confirmed)

Better Alternatives for Fern Lovers

If you’re drawn to the idea of growing native Puerto Rican plants or interesting ferns in general, consider researching other native fern species that might be more readily available and better documented for home cultivation. Native plant societies and botanical gardens in Puerto Rico might be excellent resources for finding appropriate alternatives that can thrive in garden settings.

Why It Still Matters

Even though you probably won’t be planting an epiphytic curlygrass fern anytime soon, appreciating plants like this one reminds us of the incredible botanical diversity that exists in places like Puerto Rico. These specialized species play important roles in their native ecosystems, even if we don’t fully understand all their functions yet.

Every native plant, no matter how obscure, contributes to the complex web of relationships that keep natural habitats healthy and functioning. By learning about plants like Schizaea poeppigiana, we develop a deeper appreciation for the conservation efforts needed to protect these unique species and their habitats.

The Bottom Line

The epiphytic curlygrass fern is more of a look but don’t touch kind of plant – fascinating to learn about, but not practical for most gardening situations. If you’re passionate about supporting native plant diversity, consider contributing to conservation organizations working to protect Puerto Rico’s unique ecosystems, or focus your gardening efforts on more readily available native plants that can truly thrive in cultivation.

Schizaea poeppigiana is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Schizaea poeppigiana is also known as:

Lophidium poeppigianum ex | USDA symbol: LOPO2

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

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 care and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection can be if you don't have the right information. While tags on nursery plants 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. You might be surprised to learn that popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. The table below gives insight into the preferred growing conditions of this plant throughout its geographical distribution.

Region
Preferred Habitat

Caribbean (PR, VI)

Facultative Upland
Wetland Glossary
Obligate Wetland
Facultative Wetland
Facultative
Facultative Upland
Obligate Upland
Almost always occurs in wetlands
Usually occurs in wetlands but may occur in non-wetlands
Can occur in wetlands and non-wetlands
Usually occurs in non-wetlands but may occur in wetlands
Almost never occurs in wetlands

Classification

Group: Fern
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Division: Pteridophyta - Ferns
Class: Filicopsida
Order: Polypodiales
Family: Schizaeaceae Kaulf. - Curly-grass family
Genus: Schizaea Sm. - curlygrass fern

Species: Schizaea poeppigiana Sturm - epiphytic curlygrass fern

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