Publication Information

{'id': 'https://openalex.org/W2029977482', 'doi': 'https://doi.org/10.1086/423870', 'title': '<i>Palaeocarpinus dakotensis</i>sp.n. (Betulaceae: Coryloideae) and Associated Staminate Catkins, Pollen, and Leaves from the Paleocene of North Dakota', 'display_name': '<i>Palaeocarpinus dakotensis</i>sp.n. (Betulaceae: Coryloideae) and Associated Staminate Catkins, Pollen, and Leaves from the Paleocene of North Dakota', 'publication_year': 2004, 'publication_date': '2004-11-01', 'ids': {'openalex': 'https://openalex.org/W2029977482', 'doi': 'https://doi.org/10.1086/423870', 'mag': '2029977482'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1086/423870', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S85490461', 'display_name': 'International Journal of Plant Sciences', 'issn_l': '1058-5893', 'issn': ['1058-5893', '1537-5315'], 'is_oa': False, 'is_in_doaj': False, 'is_indexed_in_scopus': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315672', 'host_organization_name': 'University of Chicago Press', 'host_organization_lineage': ['https://openalex.org/P4310315690', 'https://openalex.org/P4310315672'], 'host_organization_lineage_names': ['University of Chicago', 'University of Chicago Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5066449162', 'display_name': 'Steven R. Manchester', 'orcid': 'https://orcid.org/0000-0003-0238-7977'}, 'institutions': [{'id': 'https://openalex.org/I1313142568', 'display_name': 'Florida Museum of Natural History', 'ror': 'https://ror.org/02pjdv450', 'country_code': 'US', 'type': 'funder', 'lineage': ['https://openalex.org/I1313142568', 'https://openalex.org/I33213144']}, {'id': 'https://openalex.org/I33213144', 'display_name': 'University of Florida', 'ror': 'https://ror.org/02y3ad647', 'country_code': 'US', 'type': 'funder', 'lineage': ['https://openalex.org/I33213144']}, {'id': 'https://openalex.org/I55732556', 'display_name': 'Arizona State University', 'ror': 'https://ror.org/03efmqc40', 'country_code': 'US', 'type': 'funder', 'lineage': ['https://openalex.org/I55732556']}, {'id': 'https://openalex.org/I2799614521', 'display_name': 'Royal Botanic Gardens, Kew', 'ror': 'https://ror.org/00ynnr806', 'country_code': 'GB', 'type': 'funder', 'lineage': ['https://openalex.org/I2799614521']}], 'countries': ['GB', 'US'], 'is_corresponding': True, 'raw_author_name': 'Steven\xa0R. Manchester', 'raw_affiliation_strings': ['Florida Museum of Natural History, P.O. Box 117800, University of Florida, Gainesville, Florida 32611‐7800, U.S.A.', 'Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, United Kingdom', 'School of Life Sciences, Arizona State University, P.O. Box 874501, Tempe, Arizona 85287‐4501, U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Florida Museum of Natural History, P.O. Box 117800, University of Florida, Gainesville, Florida 32611‐7800, U.S.A.', 'institution_ids': ['https://openalex.org/I1313142568', 'https://openalex.org/I33213144']}, {'raw_affiliation_string': 'School of Life Sciences, Arizona State University, P.O. Box 874501, Tempe, Arizona 85287‐4501, U.S.A.', 'institution_ids': ['https://openalex.org/I55732556']}, {'raw_affiliation_string': 'Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, United Kingdom', 'institution_ids': ['https://openalex.org/I2799614521']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5075184223', 'display_name': 'Kathleen B. Pigg', 'orcid': 'https://orcid.org/0000-0002-8182-8461'}, 'institutions': [{'id': 'https://openalex.org/I33213144', 'display_name': 'University of Florida', 'ror': 'https://ror.org/02y3ad647', 'country_code': 'US', 'type': 'funder', 'lineage': ['https://openalex.org/I33213144']}, {'id': 'https://openalex.org/I55732556', 'display_name': 'Arizona State University', 'ror': 'https://ror.org/03efmqc40', 'country_code': 'US', 'type': 'funder', 'lineage': ['https://openalex.org/I55732556']}, {'id': 'https://openalex.org/I2799614521', 'display_name': 'Royal Botanic Gardens, Kew', 'ror': 'https://ror.org/00ynnr806', 'country_code': 'GB', 'type': 'funder', 'lineage': ['https://openalex.org/I2799614521']}, {'id': 'https://openalex.org/I1313142568', 'display_name': 'Florida Museum of Natural History', 'ror': 'https://ror.org/02pjdv450', 'country_code': 'US', 'type': 'funder', 'lineage': ['https://openalex.org/I1313142568', 'https://openalex.org/I33213144']}], 'countries': ['GB', 'US'], 'is_corresponding': True, 'raw_author_name': 'Kathleen\xa0B. Pigg', 'raw_affiliation_strings': ['Florida Museum of Natural History, P.O. Box 117800, University of Florida, Gainesville, Florida 32611‐7800, U.S.A.', 'Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, United Kingdom', 'School of Life Sciences, Arizona State University, P.O. Box 874501, Tempe, Arizona 85287‐4501, U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Florida Museum of Natural History, P.O. Box 117800, University of Florida, Gainesville, Florida 32611‐7800, U.S.A.', 'institution_ids': ['https://openalex.org/I33213144', 'https://openalex.org/I1313142568']}, {'raw_affiliation_string': 'School of Life Sciences, Arizona State University, P.O. Box 874501, Tempe, Arizona 85287‐4501, U.S.A.', 'institution_ids': ['https://openalex.org/I55732556']}, {'raw_affiliation_string': 'Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, United Kingdom', 'institution_ids': ['https://openalex.org/I2799614521']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5009617925', 'display_name': 'Peter R. Crane', 'orcid': 'https://orcid.org/0000-0003-4331-6948'}, 'institutions': [{'id': 'https://openalex.org/I1313142568', 'display_name': 'Florida Museum of Natural History', 'ror': 'https://ror.org/02pjdv450', 'country_code': 'US', 'type': 'funder', 'lineage': ['https://openalex.org/I1313142568', 'https://openalex.org/I33213144']}, {'id': 'https://openalex.org/I33213144', 'display_name': 'University of Florida', 'ror': 'https://ror.org/02y3ad647', 'country_code': 'US', 'type': 'funder', 'lineage': ['https://openalex.org/I33213144']}, {'id': 'https://openalex.org/I55732556', 'display_name': 'Arizona State University', 'ror': 'https://ror.org/03efmqc40', 'country_code': 'US', 'type': 'funder', 'lineage': ['https://openalex.org/I55732556']}, {'id': 'https://openalex.org/I2799614521', 'display_name': 'Royal Botanic Gardens, Kew', 'ror': 'https://ror.org/00ynnr806', 'country_code': 'GB', 'type': 'funder', 'lineage': ['https://openalex.org/I2799614521']}], 'countries': ['GB', 'US'], 'is_corresponding': True, 'raw_author_name': 'Peter\xa0R. Crane', 'raw_affiliation_strings': ['Florida Museum of Natural History, P.O. Box 117800, University of Florida, Gainesville, Florida 32611‐7800, U.S.A.', 'Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, United Kingdom', 'School of Life Sciences, Arizona State University, P.O. Box 874501, Tempe, Arizona 85287‐4501, U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Florida Museum of Natural History, P.O. Box 117800, University of Florida, Gainesville, Florida 32611‐7800, U.S.A.', 'institution_ids': ['https://openalex.org/I1313142568', 'https://openalex.org/I33213144']}, {'raw_affiliation_string': 'School of Life Sciences, Arizona State University, P.O. Box 874501, Tempe, Arizona 85287‐4501, U.S.A.', 'institution_ids': ['https://openalex.org/I55732556']}, {'raw_affiliation_string': 'Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, United Kingdom', 'institution_ids': ['https://openalex.org/I2799614521']}]}], 'institution_assertions': [], 'countries_distinct_count': 2, 'institutions_distinct_count': 4, 'corresponding_author_ids': ['https://openalex.org/A5066449162', 'https://openalex.org/A5075184223', 'https://openalex.org/A5009617925'], 'corresponding_institution_ids': ['https://openalex.org/I1313142568', 'https://openalex.org/I33213144', 'https://openalex.org/I55732556', 'https://openalex.org/I2799614521', 'https://openalex.org/I33213144', 'https://openalex.org/I55732556', 'https://openalex.org/I2799614521', 'https://openalex.org/I1313142568', 'https://openalex.org/I1313142568', 'https://openalex.org/I33213144', 'https://openalex.org/I55732556', 'https://openalex.org/I2799614521'], 'apc_list': None, 'apc_paid': None, 'fwci': 2.4, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 38, 'citation_normalized_percentile': {'value': 0.876202, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 91, 'max': 92}, 'biblio': {'volume': '165', 'issue': '6', 'first_page': '1135', 'last_page': '1148'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10385', 'display_name': 'Plant Diversity and Evolution', 'score': 0.9996, 'subfield': {'id': 'https://openalex.org/subfields/1105', 'display_name': 'Ecology, Evolution, Behavior and Systematics'}, 'field': {'id': 'https://openalex.org/fields/11', 'display_name': 'Agricultural and Biological Sciences'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10385', 'display_name': 'Plant Diversity and Evolution', 'score': 0.9996, 'subfield': {'id': 'https://openalex.org/subfields/1105', 'display_name': 'Ecology, Evolution, Behavior and Systematics'}, 'field': {'id': 'https://openalex.org/fields/11', 'display_name': 'Agricultural and Biological Sciences'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, {'id': 'https://openalex.org/T14049', 'display_name': 'Plant and Fungal Species Descriptions', 'score': 0.9968, 'subfield': {'id': 'https://openalex.org/subfields/1312', 'display_name': 'Molecular Biology'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, {'id': 'https://openalex.org/T13168', 'display_name': 'Plant Ecology and Taxonomy Studies', 'score': 0.9895, 'subfield': {'id': 'https://openalex.org/subfields/1105', 'display_name': 'Ecology, Evolution, Behavior and Systematics'}, 'field': {'id': 'https://openalex.org/fields/11', 'display_name': 'Agricultural and Biological Sciences'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/betulaceae', 'display_name': 'Betulaceae', 'score': 0.51333207}, {'id': 'https://openalex.org/keywords/paleobotany', 'display_name': 'Paleobotany', 'score': 0.43535617}], 'concepts': [{'id': 'https://openalex.org/C22752065', 'wikidata': 'https://www.wikidata.org/wiki/Q729496', 'display_name': 'Bract', 'level': 3, 'score': 0.94309765}, {'id': 'https://openalex.org/C29172406', 'wikidata': 'https://www.wikidata.org/wiki/Q103129', 'display_name': 'Stamen', 'level': 3, 'score': 0.8273063}, {'id': 'https://openalex.org/C2780618852', 'wikidata': 'https://www.wikidata.org/wiki/Q79932', 'display_name': 'Pollen', 'level': 2, 'score': 0.8171233}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.80689514}, {'id': 'https://openalex.org/C59822182', 'wikidata': 'https://www.wikidata.org/wiki/Q441', 'display_name': 'Botany', 'level': 1, 'score': 0.7854396}, {'id': 'https://openalex.org/C157369684', 'wikidata': 'https://www.wikidata.org/wiki/Q34740', 'display_name': 'Genus', 'level': 2, 'score': 0.63810223}, {'id': 'https://openalex.org/C2777920390', 'wikidata': 'https://www.wikidata.org/wiki/Q156064', 'display_name': 'Betulaceae', 'level': 2, 'score': 0.51333207}, {'id': 'https://openalex.org/C178300618', 'wikidata': 'https://www.wikidata.org/wiki/Q1898509', 'display_name': 'Extant taxon', 'level': 2, 'score': 0.49931145}, {'id': 'https://openalex.org/C7407677', 'wikidata': 'https://www.wikidata.org/wiki/Q192694', 'display_name': 'Paleobotany', 'level': 4, 'score': 0.43535617}, {'id': 'https://openalex.org/C178165689', 'wikidata': 'https://www.wikidata.org/wiki/Q156428', 'display_name': 'Inflorescence', 'level': 2, 'score': 0.36804184}, {'id': 'https://openalex.org/C78458016', 'wikidata': 'https://www.wikidata.org/wiki/Q840400', 'display_name': 'Evolutionary biology', 'level': 1, 'score': 0.14304581}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C2778239642', 'wikidata': 'https://www.wikidata.org/wiki/Q3045481', 'display_name': 'Plant development', 'level': 3, 'score': 0.0}, {'id': 'https://openalex.org/C104317684', 'wikidata': 'https://www.wikidata.org/wiki/Q7187', 'display_name': 'Gene', 'level': 2, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1086/423870', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S85490461', 'display_name': 'International Journal of Plant Sciences', 'issn_l': '1058-5893', 'issn': ['1058-5893', '1537-5315'], 'is_oa': False, 'is_in_doaj': False, 'is_indexed_in_scopus': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315672', 'host_organization_name': 'University of Chicago Press', 'host_organization_lineage': ['https://openalex.org/P4310315690', 'https://openalex.org/P4310315672'], 'host_organization_lineage_names': ['University of Chicago', 'University of Chicago Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.48, 'display_name': 'Life on land', 'id': 'https://metadata.un.org/sdg/15'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 18, 'referenced_works': ['https://openalex.org/W1879654673', 'https://openalex.org/W1965168893', 'https://openalex.org/W1989411464', 'https://openalex.org/W1998207613', 'https://openalex.org/W2004018327', 'https://openalex.org/W2004902690', 'https://openalex.org/W2026647317', 'https://openalex.org/W2027703507', 'https://openalex.org/W2043923182', 'https://openalex.org/W2050318764', 'https://openalex.org/W2060512573', 'https://openalex.org/W2067693549', 'https://openalex.org/W2076966146', 'https://openalex.org/W2083477495', 'https://openalex.org/W2492704334', 'https://openalex.org/W2498184244', 'https://openalex.org/W2798298289', 'https://openalex.org/W627993210'], 'related_works': ['https://openalex.org/W4240150724', 'https://openalex.org/W2583084685', 'https://openalex.org/W2515608445', 'https://openalex.org/W2360694938', 'https://openalex.org/W2324604854', 'https://openalex.org/W2137035686', 'https://openalex.org/W2070416882', 'https://openalex.org/W2034448886', 'https://openalex.org/W2026975165', 'https://openalex.org/W2023885296'], 'abstract_inverted_index': {'Palaeocarpinus': [0, 71, 236], 'dakotensis': [1], 'Manchester,': [2], 'Pigg,': [3], 'et': [4], 'Crane': [5], 'sp.n.': [6], '(Coryloideae,': [7], 'Betulaceae)': [8], 'is': [9, 187, 252], 'described': [10, 62], 'from': [11, 63, 181], 'the': [12, 49, 59, 77, 157, 178, 182, 198, 229, 238, 248, 258], 'Late': [13], 'Paleocene': [14], 'Almont': [15], 'and': [16, 31, 40, 80, 113, 135, 149, 169, 193, 212, 224, 250, 263], 'Beicegel': [17], 'Creek': [18], 'floras': [19], 'of': [20, 48, 83, 88, 100, 107, 110, 156, 184, 235, 244, 260], 'North': [21], 'Dakota': [22], 'based': [23], 'on': [24, 163, 197], 'infructescences': [25, 86], 'with': [26, 90, 116, 173, 189, 207], 'associated': [27, 185], 'staminate': [28, 114], 'catkins,': [29], 'pollen,': [30], 'leaves.': [32], 'The': [33, 233], 'well‐preserved,': [34], 'silica‐permineralized': [35], 'specimens': [36], 'provide': [37], 'both': [38, 261], 'anatomical': [39], 'morphological': [41], 'data': [42], 'for': [43, 58], 'this': [44], 'widely': [45], 'distributed': [46], 'genus': [47, 60], 'Northern': [50], 'Hemisphere': [51], 'Paleogene.': [52], 'Characters': [53], 'that': [54, 70, 243, 254], 'were': [55, 257], 'previously': [56], 'unknown': [57], 'are': [61, 126, 145, 154, 219, 225], 'anatomically': [64], 'preserved': [65], 'specimens,': [66], 'supporting': [67], 'earlier': [68], 'suggestions': [69], 'combines': [72], 'features': [73], 'found': [74, 146, 221], 'separately': [75], 'in': [76, 132, 139, 147, 201, 222, 237, 247], 'extant': [78, 133, 245], 'Coryleae': [79, 84, 262], 'Carpineae.': [81, 264], 'Features': [82], 'include': [85], 'composed': [87], 'cymes': [89], 'paired': [91], 'nuts,': [92], 'each': [93], 'enclosed': [94], 'within': [95], 'two': [96], 'highly': [97], 'dissected': [98], 'bracts': [99], 'equal': [101], 'size': [102], 'quite': [103], 'similar': [104], 'to': [105, 118, 137, 216, 227], 'those': [106], 'some': [108], 'species': [109], 'modern': [111], 'Corylus,': [112], 'catkins': [115, 186], 'four': [117, 127, 136], 'six': [119, 138], 'bifurcate': [120, 128], 'stamens': [121, 129, 144, 183], 'per': [122, 130, 167], 'bract.': [123], 'Similarly,': [124], 'there': [125], 'bract': [131], 'Corylus': [134], 'Ostryopsis,': [140], 'whereas': [141], 'more': [142], 'numerous': [143], 'Carpinus': [148], 'Ostrya.': [150], 'Other': [151], 'features,': [152], 'however,': [153], 'characteristic': [155], 'Carpineae,': [158], 'including': [159], 'external': [160], 'longitudinal': [161], 'ribs': [162], 'bracts,': [164], 'many': [165], 'fruits': [166], 'infructescence,': [168], 'small,': [170], 'ribbed': [171], 'nuts': [172], 'vascular': [174], 'bundles': [175], 'lying': [176], 'outside': [177], 'endocarp.': [179], 'Pollen': [180], 'triporate': [188], 'a': [190], 'scabrate': [191], 'exine': [192], 'apparently': [194, 241], 'lacks': [195], 'opercula': [196], 'apertures,': [199], 'as': [200], 'Corylus.': [202], 'Simple,': [203], 'cordate‐based': [204], 'elliptical': [205], 'leaves': [206], 'pinnate,': [208], 'craspedodromous': [209], 'secondary': [210], 'veins': [211], 'serrate': [213], 'margins': [214], 'referred': [215], 'Corylites': [217], 'sp.': [218], 'also': [220], 'association': [223], 'thought': [226], 'represent': [228], 'same': [230], 'coryloid': [231], 'plant.': [232], 'appearance': [234], 'fossil': [239], 'record': [240], 'predates': [242], 'genera': [246], 'Coryloideae,': [249], 'it': [251], 'likely': [253], 'Palaeocarpinus‐like': [255], 'plants': [256], 'forerunners': [259]}, 'abstract_inverted_index_v3': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2029977482', 'counts_by_year': [{'year': 2023, 'cited_by_count': 2}, {'year': 2022, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 2}, {'year': 2016, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 2}, {'year': 2014, 'cited_by_count': 3}, {'year': 2013, 'cited_by_count': 3}, {'year': 2012, 'cited_by_count': 3}], 'updated_date': '2025-01-28T11:01:48.886641', 'created_date': '2016-06-24'}