Horneophyton lignieri is represented by a 24-section museum sample, with three historical thin sections selected for confocal imaging that revised the interpretation of its conducting tissues without making the fossil a direct ancestor.
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Kenrick and Long verified Horneophyton lignieri in a 24-section museum sample and selected three named NHMUK slides for detailed imaging; the profile does not turn the study's evolutionary interpretation into direct ancestry.
claim:taxon:horneophyton:taxonomyThe profiled Horneophyton lignieri slides contain Rhynie-chert material from Aberdeenshire, Scotland; this museum sample does not establish a complete geographic distribution or origin centre.
claim:taxon:horneophyton:biogeographyThe study context associates Horneophyton lignieri with Rhynie sinter surfaces and reconstructs a sessile rhizoid-bearing plant, but the selected thin sections do not measure ecological breadth, carbon acquisition or a population-wide guild.
claim:taxon:horneophyton:ecologyConfocal imaging of Horneophyton lignieri shows papillate or labyrinthine wall ingrowths in conducting cells and does not recover distinct xylem and phloem; resemblance to transfer cells and transport function remain interpretations.
claim:taxon:horneophyton:morphologyThe displayed 412.8–410.2 Ma interval is the 411.5 ± 1.3 Ma U–Pb uncertainty window used for the represented Rhynie-chert Horneophyton material; it is not a global first appearance, last appearance or lineage duration.
claim:taxon:horneophyton:fossil-range