North America Native Plant

Caribbean Soralpouch Fern

Botanical name: Saccoloma domingense

USDA symbol: SADO6

Life cycle: perennial

Habit: forb

Native status: Native to Puerto Rico  

Synonyms: Orthiopteris domingensis (Spreng.) Copeland (ORDO)   

Caribbean Soralpouch Fern: A Wetland Wonder from Puerto Rico Meet the Caribbean soralpouch fern (Saccoloma domingense), a fascinating native fern that calls the wetlands of Puerto Rico home. While this perennial beauty might not be the most common addition to mainland gardens, it offers a glimpse into the unique plant ...

Caribbean Soralpouch Fern: A Wetland Wonder from Puerto Rico

Meet the Caribbean soralpouch fern (Saccoloma domingense), a fascinating native fern that calls the wetlands of Puerto Rico home. While this perennial beauty might not be the most common addition to mainland gardens, it offers a glimpse into the unique plant life of Caribbean ecosystems and could be a special addition for the right gardener.

What Exactly Is a Caribbean Soralpouch Fern?

The Caribbean soralpouch fern is a perennial fern species that belongs to the specialized group of plants we call forbs. Unlike woody plants, this fern lacks significant woody tissue and maintains its life cycle through underground structures that help it survive year after year. You might also see it referenced by its scientific synonym, Orthiopteris domingensis, in older botanical literature.

Where Does It Come From?

This unique fern is native exclusively to Puerto Rico, making it a true Caribbean endemic. Its natural range is quite limited, restricted to the wetland areas of this beautiful island territory.

A True Water Lover

Here’s where things get interesting for potential gardeners: the Caribbean soralpouch fern is classified as an obligate wetland plant. This fancy term means it almost always occurs in wetlands and has adapted specifically to life in consistently moist to wet conditions. Think of it as nature’s way of saying this plant really, really loves water!

Should You Grow It in Your Garden?

The Caribbean soralpouch fern presents some unique considerations for gardeners:

  • Specialized habitat needs: Its obligate wetland status means it requires consistently wet conditions that most home gardens can’t easily provide
  • Limited availability: Being native only to Puerto Rico, finding this plant in the nursery trade can be challenging
  • Climate requirements: It’s adapted to tropical Caribbean conditions, which limits where it can successfully grow

Perfect for Specialized Water Gardens

If you’re in Puerto Rico or a similar tropical climate and have a water feature, bog garden, or naturally wet area on your property, the Caribbean soralpouch fern could be a wonderful native addition. It would work beautifully in:

  • Rain gardens in appropriate climates
  • Bog gardens or wetland restoration projects
  • Areas around natural springs or consistently wet spots
  • Native plant collections focusing on Caribbean species

Growing Conditions

While specific cultivation information for this species is limited, its wetland status tells us it needs:

  • Consistently moist to wet soil conditions
  • Tropical or subtropical climate
  • Protection from drying winds
  • Likely partial shade, as many wetland ferns prefer filtered light

A Conservation Consideration

Given its limited native range, the Caribbean soralpouch fern represents an important part of Puerto Rico’s unique botanical heritage. If you’re fortunate enough to encounter this plant, whether in the wild or in cultivation, it’s worth appreciating as a special example of Caribbean biodiversity.

The Bottom Line

The Caribbean soralpouch fern is more of a specialized treasure than an everyday garden plant. For most gardeners, it’s better appreciated as an interesting example of Caribbean plant life rather than a practical addition to the home landscape. However, for those with the right wet conditions and climate, or those working on native plant conservation in Puerto Rico, it could be a meaningful addition to a specialized collection.

If you’re drawn to the idea of wetland ferns but don’t have access to this Caribbean specialty, consider exploring native wetland ferns from your own region – they’ll be better adapted to your local conditions and easier to source responsibly.

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

Caribbean

OBL

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

Caribbean Soralpouch Fern

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Polypodiales

Family

Dennstaedtiaceae Lotsy - Bracken Fern family

Genus

Saccoloma Kaulf. - soralpouch fern

Species

Saccoloma domingense (Spreng.) C. Chr. - Caribbean soralpouch fern

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