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[90, 146], 'sister': [91, 125], 'rest': [94], 'leptosporangiates,': [97], '(2)': [98], 'resolve': [99], 'diverse': [101], 'formerly': [105], 'thought': [106], 'be': [108], 'subsequent': [110], 'grade': [111], 'as': [112, 124], 'possibly': [113], 'monophyletic': [114], '(((Dipteridaceae,': [115], 'Matoniaceae),': [116], 'Gleicheniaceae),': [117], 'Hymenophyllaceae),': [118], '(3)': [120], 'place': [121], 'schizaeoid': [122], 'large': [128], 'clade': [129], '"core': [131], 'leptosporangiates"': [132], 'includes': [134], 'heterosporous': [135], 'ferns,': [136, 138], 'tree': [137], 'polypods.': [140], 'Divergence': [141], 'time': [142], 'estimates': [143], 'reported': [147], 'penalized': [149], 'likelihood': [150], 'molecular': [154], 'data,': [155], 'constraints': [157], 'reassessment': [160], 'fossil': [163], 'record.': [164]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2132690534', 'counts_by_year': [{'year': 2024, 'cited_by_count': 30}, {'year': 2023, 'cited_by_count': 26}, {'year': 2022, 'cited_by_count': 47}, {'year': 2021, 'cited_by_count': 22}, {'year': 2020, 'cited_by_count': 22}, {'year': 2019, 'cited_by_count': 15}, {'year': 2018, 'cited_by_count': 39}, {'year': 2017, 'cited_by_count': 34}, {'year': 2016, 'cited_by_count': 35}, {'year': 2015, 'cited_by_count': 39}, {'year': 2014, 'cited_by_count': 33}, {'year': 2013, 'cited_by_count': 34}, {'year': 2012, 'cited_by_count': 35}], 'updated_date': '2024-09-08T17:08:33.632836', 'created_date': '2016-06-24'}