Published on March 22, 2026
When I was a child, little delighted me more than the magical green garlands draping from the pine trees, which I made into wreaths and mustaches to roam the mountains of Bulgaria as a miniature Orlando. I had no idea that Usnea longissima is just one of more than 20,000 known species of lichen—almost twice as many as birds. In the years since, I have collected and photographed lichen all over the world, from the spruces lining the wild shores of Alaska to the stone walls along the rural roads of Ireland, from Basquiat’s grave in Brooklyn’s Green-Wood Cemetery, and beyond.
Lichens are fascinating organisms that embody resilience and adaptability, qualities that are invaluable for humans, particularly in today’s fast-paced and often precarious world. Composed of a symbiotic partnership between fungi and algae or cyanobacteria, lichens thrive in some of the harshest environments on Earth, whether perched on a windswept cliff or nestled between rocks in arid deserts. Their ability to withstand extreme conditions offers profound insights into human vulnerability and the strategies we can adopt to navigate our own challenges.
One of the key adaptive strategies of lichens is their capacity for survival despite extreme desiccation. When conditions become too dry, many lichens can halt their metabolic processes, effectively going dormant until moisture returns. This ability to endure dryness not only exemplifies resilience but also teaches us the value of patience and the necessity of rest in our own lives. Just as lichens wait for the right conditions to flourish, we too can benefit from moments of pause, allowing ourselves recuperation before tackling life’s stresses.
Additionally, lichens thrive through mutualism, showcasing the power of collaboration. The relationship between fungi and algae is a reminder of how interdependence can lead to greater strength and resilience. In challenging times, leaning on our support networks, seeking partnerships, and fostering communities can bolster our capacity to navigate adversity. Just as the lichen’s success is rooted in its relationships, so too can our achievements be anchored in our connections with others.
Moreover, lichens demonstrate remarkable adaptability in their ability to inhabit a wide range of environments, from urban settings to pristine wilderness. The presence of different lichen species can serve as indicators of air quality, signaling their crucial role in ecological health. This adaptability translates to a valuable lesson for humans: embracing flexibility and openness to change can enhance our resilience. In a world where change is the only constant, being willing to shift our perspectives and strategies can help us thrive amid uncertainty.
Incorporating the wisdom of lichens into our lives involves recognizing the significance of slow growth and steady progress. Rather than rushing towards goals, we might consider the slow, deliberate pace of lichen growth, which can teach us to appreciate the journey rather than just the destination. Each tiny layer of a lichen contributes to its overall mass, reminding us that every small effort counts towards achieving larger aspirations.
As I continue my exploration of lichens across diverse landscapes, I am continually reminded of the profound lessons they impart. These tiny titans of tenacity reveal strategies for resilience that are essential for navigating the complexities of being human. In embracing the adaptive strategies of lichens—patience, collaboration, adaptability, and the appreciation of gradual growth—we can better equip ourselves to face the vulnerabilities that inevitably arise in our lives. Just as lichens create vibrant ecosystems through their tenacity, we too can cultivate strength and resilience in our ever-evolving journey as humans.