Star Trek The Next Generation
Object

Fossilized Lichen Colony (DNA-Message Lichen)

A discrete biological remnant—a fossilized lichen colony—detected by Data's sensors and later transported aboard the Enterprise. This entity serves dual narrative functions: 1. Plot Catalyst: Its detection by Data prompts Riker to lock transporter coordinates, initiating the Enterprise's direct involvement in the planet's events. 2. DNA Message Trigger: When scanned by Beverly Crusher on the fossilized seabed, it projects a holographic message from an extinct species, revealing shared galactic ancestry and briefly halting faction hostilities. Key Details: - Detected via Data's sensors and transported via the Enterprise's transporter (implying it is a detached sample). - Described as a 'small pocket' of lichen, distinct from the broader seabed environment. - Interacts with Data, Riker, Geordi (during transportation) and Picard, Beverly, Worf, Nu'Daq, Ocett (during the DNA message revelation). - Central to the episode's themes of cooperation across enemies and the revelation of shared ancestry.
3 appearances

Significance

This discovery acts as the pivotal clue contradicting planetary sterility, igniting an urgent away team deployment and escalating the quest for genetic heritage secrets against competing forces.

Appearances in the Narrative

When this object appears and how it's used

3 moments
S6E20 · The Chase
Data detects fossilized lichen on dead world

The fossilized lichen colony is the narrative and scientific linchpin of this event—a relic of a forgotten era, buried beneath layers of time and geological change. Its discovery upends the crew’s assumptions about the planet’s sterility, transforming it from a dead end into a critical lead. The lichen is not just a clue; it is a promise, a fragment of the galaxy’s genetic history waiting to be uncovered. Its presence hints at the broader theme of shared ancestry, tying this moment to the episode’s overarching quest. The lichen’s fragility contrasts with the high-stakes chase unfolding around it, emphasizing the delicate balance between scientific revelation and interstellar conflict.

Before: Undetected and dormant, buried deep in the fossilized seabed, its existence unknown to the crew until Data’s sensors reveal it.
After: Now the focus of the crew’s attention and the target of the impending away mission, its significance elevated from an obscure anomaly to the potential key to the DNA message’s final secrets.
View full event
S6E20 · The Chase
Ancient Message Reveals Shared Ancestry

The DNA-Message Lichen is scanned by Beverly, modifying her tricorder to project the ancient humanoid hologram. Gul Ocett draws her weapon to destroy it, blocking Picard, Worf, and Nu'Daq. The Romulans' arrival escalates the standoff around this small, embedded growth holding the genetic code. The lichen's activation reveals the holographic message, momentarily uniting the factions before Nu'Daq's rejection shatters the fragile peace. Its discovery is the catalyst for the event's climax, offering a glimpse into the shared past of all humanoid species.

Before: Embedded in the rockface, encoding the ancient DNA message.
After: Scanned and activated, projecting the holographic message from the ancient humanoid species.
View full event
S6E20 · The Chase
Nu'Daq rejects the ancient message

The DNA-Message Lichen is the focal point of the standoff, its bright yellow-red-green surface encoding the four-billion-year-old DNA program that reveals the shared ancestry of the factions. Beverly scans it with her tricorder, confirming its significance, while Gul Ocett threatens to destroy it if the Romulans interfere. The lichen’s activation by Picard and Beverly’s devices projects the holographic message, briefly uniting the factions before Nu’Daq’s rejection shatters the moment. Its symbolic role as a vessel of ancient truth is central to the event, representing both hope and the persistent failure of diplomacy.

Before: Embedded in the lichen-covered rockface, its DNA program dormant but detectable by advanced scanning devices. The lichen is a fragile yet vital artifact, holding the key to the ancient message.
After: The lichen remains intact on the rockface after the hologram’s activation, though its message has been revealed and rejected. The factions retreat, leaving the lichen—and the truth it contains—abandoned on the barren planet.
View full event