Reference health
Further insights into trilete spore producers from the Early Devonian (Lochkovian) of the Welsh Borderland, U.K.
36/36 checkable references clean · checked 2026-07-22
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
26 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 36 checked references that resolve
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The old red sandstone of Brown Clee Hill and the adjacent area I. Stratigraphy
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Morphometric analysis of proposed evolutionary lineages of Early Devonian land plant spores
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New insights into early land ecosystems: a glimpse of a lilliputian world
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The role of Mid-Palaeozoic mesofossils in the detection of early bryophytes
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Anatomical Evidence in the Detection of the Earliest Wildfires
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Silurian and Lower Devonian plant assemblages from the Anglo‐Welsh Basin: a palaeobotanical and palynological synthesis
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Lower Devonian coalified sporangia from Shropshire: Salopella Edwards & Richardson and Tortilicaulis Edwards
resolves10.1111/j.1095-8339.1999.tb00515.x
Tetrads in sporangia and spore masses from the Upper Silurian and Lower Devonian of the Welsh Borderland
resolves10.1111/j.1095-8339.2011.01207.x
A new group of Early Devonian plants with valvate sporangia containing sculptured permanent dyads
resolves10.1016/j.revpalbo.2012.03.008
Notes on sporangia and spore masses containing tetrads or monads from the Lower Devonian (Lochkovian) of the Welsh Borderland, U.K.
resolves10.1111/j.1095-8339.1992.tb00264.x
A diverse assemblage of early land plants from the Lower Devonian of the Welsh Borderland
resolves10.1016/S0034-6667(01)00060-4
An Early Devonian flora, including Cooksonia, from the Paraná Basin (Brazil)
resolves10.1016/j.revpalbo.2006.03.021
Charcoal in the Early Devonian: A wildfire-derived Konservat–Lagerstätte
resolves10.1086/648988
A New Definition and a Lectotypification of the Genus<i>Cooksonia</i>Lang 1937
resolves10.1046/j.1095-8339.2002.00073.x
New perspectives on Cooksonia from the Lower Devonian of the Welsh Borderland
resolves10.1016/j.revpalbo.2011.06.007
New plant taxa from the Lower Devonian (Lochkovian) of the Welsh Borderland, with a hypothesis on the relationship between hilate and trilete spore producers
resolves10.1111/j.1095-8339.2012.01231.x
New dyad-producing plants from the Lower Devonian (Lochkovian) of the Welsh Borderland
resolves10.1144/0016-76492010-043
A high-precision U–Pb age constraint on the Rhynie Chert Konservat-Lagerstätte: time scale and other implications
resolves10.3140/bull.geosci.2007.04.355
Cryptospores and miospores, their distribution patterns in the Lower Old Red Sandstone of the Anglo-Welsh Basin, and the habitat of their parent plants
resolves10.2307/1485212
Emphanisporites splendens, New Name for Emphanisporites pseudoerraticus Richardson and Ioannides, 1973 (Preoccupied)
resolves10.1144/jm.3.2.109
Miospores, correlation and age of some Scottish Lower Old Red Sandstone sediments from the Strathmore region (Fife and Angus)
resolves10.1016/j.revpalbo.2010.11.001
Wall ultrastructure in three species of the dispersed spore Emphanisporites from the Early Devonian
resolves10.1016/0034-6667(79)90020-4
Aspects of late devonian and early carboniferous palynology of southern Ireland. I. The Cyrtospora cristifer morphon
resolves10.1111/1475-4983.00062
Sporangia containing <i>Scylaspora</i> from the Lower Devonian of the Welsh Borderland
resolves10.1098/rspb.2004.2686
Palaeoecology and palaeophytogeography of the Rhynie chert plants: evidence from integrated analysis of
<i>in situ</i>
and dispersed spores
resolves10.1017/S0263593300001449
Spore assemblages from the Lower Devonian ‘Lower Old Red Sandstone’ deposits of the Rhynie outlier, Scotland
resolves10.1111/j.1095-8339.1998.tb02092.x
Permanent dyads in sporangia and spore masses from the Lower Devonian of the Welsh Borderland
resolves10.1098/rstb.1998.0349
Ultrastructure of laevigate hilate spores in sporangia and spore masses from the Upper Silurian and Lower Devonian of the Welsh Borderland
resolves10.1016/S0034-6667(99)00052-4
A new plant assemblage (microfossil and megafossil) from the Lower Old Red Sandstone of the Anglo–Welsh Basin: its implications for the palaeoecology of early terrestrial ecosystems
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Spores of the Rhynie chert plant <i>Horneophyton lignieri</i> (Kidston & Lang) Barghoorn & Darrah, 1938
The 26 references without a DOI — listed, not checked
no DOI — not checkedLower and Middle Devonian spores of North and Central Vestspitsbergen
no DOI — not checkedSilurian cryptospores and miospores from the type Wenlock area, Shropshire, England
no DOI — not checkedLate Wenlock to early Přídolí cryptospores and miospores from south and southwest Wales, Great Britain
no DOI — not checkedPalynology of Silurian and Devonian rocks in northwest Spain
no DOI — not checkedEarliest Devonian miospores from the Province of Leon, Spain
no DOI — not checkedA Late Silurian flora from the Lower Old Red Sandstone of South-west Dyfed
no DOI — not checkedLower Devonian (Dittonian) plants from the Welsh Borderland
no DOI — not checkedReview of in situ spores in early land plants
no DOI — not checkedProgress in reconstructing vegetation on the Old Red Sandstone Continent: two Emphanisporites producers from the Lochkovian sequence of the Welsh Borderland
no DOI — not checkedThe ultrastructure of spores of Cooksonia pertoni
no DOI — not checkedFanning, U., 1987. Late Silurian – Early Devonian plant assemblages in the Welsh Borderland. PhD thesis, University of Wales (Cardiff): pp. 270.
no DOI — not checkedCryptic evolution in an early land plant
no DOI — not checkedA review of in situ spores in Silurian land plants
no DOI — not checkedOn the plant-remains from the Downtonian of England and Wales
no DOI — not checkedLes globules des Filicinées, homologues des corps d'Ubisch des Spermaphytes
no DOI — not checkedSpores with proximal radial patterns from the Devonian of Canada
no DOI — not checkedOrigin and evolution of the earliest land plants
no DOI — not checkedTaxonomy and classification of some new Early Devonian cryptospores from England
no DOI — not checkedLower and middle Palaeozoic records of terrestrial palynomorphs
no DOI — not checkedUpper Silurian and Lower Devonian spore assemblages from the Welsh Borderland and South Wales
no DOI — not checkedSilurian and Devonian spore zones of the Old Red Sandstone Continent and adjacent regions
no DOI — not checkedA new spore assemblage to correlate between the Breconian (British Isles) and the Gedinnian (Belgium)
no DOI — not checkedPalynology and recognition of the Silurian/Devonian boundary in some British terrestrial sediments by correlation with Cantabrian and other European marine sequences — a progress report
no DOI — not checkedPalynological zonation of Mid-Palaeozoic sequences from the Cantabrian Mountains, NW Spain: implications for inter-regional and interfacies correlation of the Ludford/Přídolí and Silurian/Devonian boundaries, and plant dispersal patterns
no DOI — not checkedUne association de spores du Givétien inférieur de la Vesdre, a Goé (Belgique)
no DOI — not checkedStreel, M., 1967. Associations de spores du Dévonien inférieur Belge et leur signification stratigraphique. Ibid. 90, 11–54.
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