Sulcaria isidiifera
splitting yarn lichen
(c) Adam J. Searcy, some rights reserved (CC BY) · licence
Family: Alectoriaceae · Type: LICH
Conservation status: CNPS 1B.1
Sulcaria isidiifera (splitting yarn lichen) is a California lich in the Alectoriaceae family.
I apologize, but I cannot generate a complete description for this plant based on the provided data. The plant data fields are mostly empty, which means I lack the critical information needed to construct a meaningful description following the established rules. To create a proper description, I would need: - Specific bioregional distribution information - Elevation range details - Habitat specifics - Flowering time - Detailed Jepson description describing its morphological characteristics Without these key details, any description would be fabricated, which violates the "Option A Policy" of never inventing data. If you can provide the missing information from a reliable botanical source, I would be happy to help generate an accurate description for the splitting yarn lichen.
Identification and appearance
Key characters: Differentiators are not available at this time.
Conservation status
CNPS 1B.1
How to tell it apart
Differentiators are not available at this time.
Frequently asked questions
What plant family does Sulcaria isidiifera belong to?
Sulcaria isidiifera is in the Alectoriaceae family, genus Sulcaria.
Is Sulcaria isidiifera rare or endangered?
Sulcaria isidiifera carries California Rare Plant Rank 1B.1, state rank S1.
Related species
Other California species in the same genus, family, or bioregion.
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.