Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2329021574', 'doi': 'https://doi.org/10.2307/1545463', 'title': 'Ferns Cultivated in California: Sadleria', 'display_name': 'Ferns Cultivated in California: Sadleria', 'publication_year': 1960, 'publication_date': '1960-07-01', 'ids': {'openalex': 'https://openalex.org/W2329021574', 'doi': 'https://doi.org/10.2307/1545463', 'mag': '2329021574'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.2307/1545463', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S182829932', 'display_name': 'American Fern Journal', 'issn_l': '0002-8444', 'issn': ['0002-8444', '1938-422X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4320800801', 'host_organization_name': 'American Fern Society', 'host_organization_lineage': ['https://openalex.org/P4320800801'], 'host_organization_lineage_names': ['American Fern Society'], '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/A5072404968', 'display_name': 'Barbara Joe', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'Barbara Joe', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5072404968'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 1, 'citation_normalized_percentile': {'value': 0.504537, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 64, 'max': 72}, 'biblio': {'volume': '50', 'issue': '3', 'first_page': '232', 'last_page': '232'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12359', 'display_name': 'Fern and Epiphyte Biology', 'score': 0.9987, '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/T12359', 'display_name': 'Fern and Epiphyte Biology', 'score': 0.9987, '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/T12618', 'display_name': 'Botany and Plant Ecology Studies', 'score': 0.9987, 'subfield': {'id': 'https://openalex.org/subfields/1110', 'display_name': 'Plant Science'}, '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/T13015', 'display_name': 'Botany, Ecology, and Taxonomy Studies', 'score': 0.996, 'subfield': {'id': 'https://openalex.org/subfields/1110', 'display_name': 'Plant Science'}, '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': [], 'concepts': [{'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.42852533}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.40291214}, {'id': 'https://openalex.org/C59822182', 'wikidata': 'https://www.wikidata.org/wiki/Q441', 'display_name': 'Botany', 'level': 1, 'score': 0.3900297}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.2307/1545463', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S182829932', 'display_name': 'American Fern Journal', 'issn_l': '0002-8444', 'issn': ['0002-8444', '1938-422X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4320800801', 'host_organization_name': 'American Fern Society', 'host_organization_lineage': ['https://openalex.org/P4320800801'], 'host_organization_lineage_names': ['American Fern Society'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.62, 'display_name': 'Zero hunger', 'id': 'https://metadata.un.org/sdg/2'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W4234157524', 'https://openalex.org/W3087615472', 'https://openalex.org/W2748952813', 'https://openalex.org/W2151865869', 'https://openalex.org/W2130076355', 'https://openalex.org/W2117258802', 'https://openalex.org/W2082860237', 'https://openalex.org/W2013243191', 'https://openalex.org/W1993764875', 'https://openalex.org/W1990804418'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2329021574', 'counts_by_year': [{'year': 2012, 'cited_by_count': 1}], 'updated_date': '2024-12-08T20:18:50.790387', 'created_date': '2016-06-24'}