Pseudocyphellaria perpetua, a New Lichen from Western North America
Bibliographic record
Abstract
Abstract Pseudocyphellaria perpetua McCune & Miadlikowska is described as a new species of lichenized fungus from Oregon, U.S.A. Morphologically similar to some forms of P. crocata, P. perpetua is separated from that species by a yellow medulla and predominantly marginal soralia. Comparison of ITS and LSU nrDNA sequences support taxonomic distinctness of these two species. Phylogenetic analyses were conducted on LSU and ITS nrDNA data sets separately and simultaneously using maximum parsimony and maximum likelihood as optimization criteria. All analyses except one (maximum parsimony on LSU nrDNA data alone) confirmed the monophyly of P. perpetua. There are two distinct groups within the P. perpetua clade represented by specimens sampled from near the type locality in Oregon, and specimens outside of Oregon (eastern Canada, eastern Russia and eastern U.S.A.). The genus Pseudocyphellaria is very likely polyphyletic, consisting of at least two highly divergent groups.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".