Characterization and Position of the Genus <i>Stenogramme</i> in the Phyllophoraceae (Gigartinales, Rhodophyta)
Bibliographic record
Abstract
Abstract The red algal genus Stenogramme was described by Harvey (1840) for entities having flattened, dichotomously branched thalli with cystocarps borne in narrow, linear sori resembling an interrupted midrib on blades, and with isomorphic tetrasporophytes with scattered circular to irregular tetrasporangial nemathecia. In the current literature, the most common species listed is Stenogramme interrupta ( C. agardh ) Montagne ex Harvey 1848, said to have a worldwide distribution in temperate seas. DNA sequences from three molecular datasets (chloroplast‐encoded rbcL , and nuclear‐encoded ITS and LSU rDNA) instead reveal that the genus is more species‐rich than is currently appreciated, and that several species go under the name S. interrupta . The latter species, described from Cadiz, Spain, is found to be restricted to the Eastern Atlantic. The name Stenogramme californica Harvey 1840, the type species described from the Pacific coast of North America, is reinstated for members from California and Oregon. S. rhodymenioides Joly et Alveal 1969 is reinstated for the entity from Chile. The range of S. phyllophoroides (J. Agardh) Millar 1990 described from northern NSW, Australia, is expanded to accommodate the taxon from South Australia referred to as S. interrupta . S. leptophylla J. Agardh 1885 is a distinct South Australian species. A new name needs to be provided for the New Zealand taxon. The genus also comprises a new entity (sterile) from Alaska, and a new (sterile) species from offshore Louisiana. Stenogramme is a well‐defined monophyletic genus, but its position within the Phylophoraceae remains equivocal.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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 teacher head, 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".