North America Native Plant

Colombian Rockcap Fern

Botanical name: Pecluma camptophyllaria camptophyllaria

USDA symbol: PECAC

Life cycle: perennial

Habit: forb

Native status: Native to Puerto Rico  

Colombian Rockcap Fern: A Rare Puerto Rican Native Worth Knowing Meet the Colombian rockcap fern (Pecluma camptophyllaria camptophyllaria), a fascinating and elusive native fern species that calls Puerto Rico home. While this perennial beauty might not be gracing garden centers anytime soon, it’s worth understanding what makes this little-known species ...

Colombian Rockcap Fern: A Rare Puerto Rican Native Worth Knowing

Meet the Colombian rockcap fern (Pecluma camptophyllaria camptophyllaria), a fascinating and elusive native fern species that calls Puerto Rico home. While this perennial beauty might not be gracing garden centers anytime soon, it’s worth understanding what makes this little-known species special and why it deserves our attention.

What Exactly Is the Colombian Rockcap Fern?

The Colombian rockcap fern belongs to the Pecluma genus, a group of epiphytic ferns known for their ability to grow on rocks and tree trunks rather than in soil. Despite its common name suggesting Colombian origins, this particular species is actually native to Puerto Rico, making it a true Caribbean treasure.

As a perennial forb, this fern lacks the woody tissue you’d find in shrubs or trees, instead maintaining its presence year after year through underground structures and seasonal regrowth. It’s part of that wonderful world of vascular plants that have mastered the art of persistence without the need for thick, woody stems.

Where Does It Call Home?

This fern is endemic to Puerto Rico, meaning you won’t find it naturally occurring anywhere else in the world. Its limited geographical distribution makes it a unique component of Puerto Rico’s rich biodiversity.

The Mystery Plant: What We Don’t Know

Here’s where things get interesting – and a bit mysterious. The Colombian rockcap fern is one of those species that hasn’t been extensively studied or documented. We don’t have detailed information about its specific growing conditions, wildlife benefits, or even its rarity status. This lack of information actually tells us something important: it’s likely quite rare or grows in very specific, perhaps hard-to-access locations.

Why Should Gardeners Care?

You might be wondering why you should care about a plant you probably can’t grow in your garden. Here’s the thing – understanding and appreciating rare native species like the Colombian rockcap fern helps us:

  • Recognize the incredible diversity of native plants in our regions
  • Support conservation efforts for lesser-known species
  • Make better choices about which related, more available species to include in our gardens
  • Appreciate the complex ecosystems that rare plants help maintain

The Bigger Picture for Native Plant Enthusiasts

While you likely won’t be planting Colombian rockcap fern in your garden anytime soon, its existence reminds us of the importance of protecting native habitats and supporting botanical research. If you’re passionate about native plants and live in or visit Puerto Rico, keep your eyes peeled during nature walks – you might just spot this elusive beauty growing on a rock face or tree trunk in a shaded, humid location.

Related Species You Can Grow

If you’re intrigued by the idea of growing epiphytic ferns, consider looking into other Pecluma species or similar native ferns that are better documented and potentially available through specialty native plant nurseries. Many epiphytic ferns make wonderful additions to naturalistic gardens, especially in humid climates where they can be grown on trees or rock features.

The Colombian rockcap fern may be shrouded in mystery, but that’s part of what makes the world of native plants so fascinating. Every species, no matter how obscure, plays a role in the intricate web of life that makes our natural world so remarkably diverse and resilient.

Colombian Rockcap Fern

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Polypodiales

Family

Polypodiaceae J. Presl & C. Presl - Polypody family

Genus

Pecluma M.G. Price - rockcap fern

Species

Pecluma camptophyllaria (Fée) M.G. Price - Colombian rockcap fern

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