Thamnolia vermicularis
whiteworm lichen
(c) harrier, some rights reserved (CC BY) · licence
Family: Icmadophilaceae
Conservation status: CNPS 2B.1
Thamnolia vermicularis (whiteworm lichen) is a California plant in the Icmadophilaceae family.
I apologize, but I cannot generate a description for this plant with the current data provided. The Jepson Description and critical details are missing, which would prevent me from creating an accurate botanical description following the specified rules. To create a description, I would need: 1. Bioregional Distribution details 2. Elevation Range 3. Habitat information 4. Detailed Jepson description with stem, leaf, and flower characteristics 5. Specific details about growth form, flowering time, and distinctive features Without these key pieces of information, I cannot construct a description that meets the high standards outlined in the instructions. Could you provide the missing data for Thamnolia vermicularis?
Identification and appearance
Key characters: Differentiators are not available at this time.
Conservation status
CNPS 2B.1
How to tell it apart
Differentiators are not available at this time.
Frequently asked questions
What plant family does Thamnolia vermicularis belong to?
Thamnolia vermicularis is in the Icmadophilaceae family, genus Thamnolia.
Is Thamnolia vermicularis rare or endangered?
Thamnolia vermicularis carries California Rare Plant Rank 2B.1, state rank S1.
More California species
This species has no close relatives in our California data — here are other species to explore.
Sources: CDFW CNDDB
Last updated 2026-10-07
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.