Historical misidentifications and re-evaluation of the distribution of Rubus chamaemorus in China based on herbarium and field evidence

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This study examined the reported occurrence of Rubus chamaemorus in China, using literature tracing, review of herbarium specimens, and targeted field surveys to address low-resolution distribution records and reportedly missing correctly identified vouchers. The authors found that most claims were based on secondary citations and that many specimens labeled as R. chamaemorus in major Chinese herbaria were largely misidentified, with little empirical support from correctly determined material. A verified natural population was discovered in the Hanma National Nature Reserve in Inner Mongolia, occurring in a mature cool-temperate Sphagnum bog with a permafrost layer, and voucher specimens were collected. The paper does not explicitly discuss endometriosis or adenomyosis; it was included in the corpus via a keyword match in the upstream search index.

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Abstract

Rubus chamaemorus L. is a dioecious and phylogenetically distinct species of the genus Rubus L. Its distribution records in China are characterized by coarse resolution, incomplete spatial coverage, and inconsistencies, and correctly identified voucher specimens are lacking. In this study, literature tracing, herbarium specimen review, and targeted field surveys were conducted to verify its occurrence in China. Results indicate that most reported records are based on secondary citations, and that specimens identified as R. chamaemorus in major Chinese herbaria are largely misidentified, with little empirical support from correctly determined material. A natural population was discovered in the Hanma National Nature Reserve in the Greater Khingan Mountains of Inner Mongolia, China, and voucher specimens (PE; Zhang Yichi et al. 2025-0714-01) were collected. This population occurs in a mature, cool-temperate Sphagnum bog with a permafrost layer. This study provides verified evidence of the occurrence of R. chamaemorus in China and a basis for future taxonomic, biogeographical, and conservation biology research.
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Historical misidentifications and re-evaluation of the distribution of Rubus chamaemorus in China based on herbarium and field evidence | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); Skip to main content Preprints Collections Wiley Open Research IET Open Research Ecological Society of Japan All Collections About About Authorea FAQs Contact Us Quick Search anywhere Search for preprint articles, keywords, etc. Search Search ADVANCED SEARCH SCROLL Nordic Journal of Botany This is a preprint and has not been peer reviewed. Data may be preliminary. 12 May 2026 V1 Latest version Share on Historical misidentifications and re-evaluation of the distribution of Rubus chamaemorus in China based on herbarium and field evidence Authors : YICHI ZHANG 0009-0005-1419-5181 [email protected] , SHANG DONG [email protected] , ZHAOQIN YI [email protected] , YANG LI [email protected] , LIBO LIU [email protected] , ZHONGYUE LI [email protected] , and Liqiang Mu [email protected] Authors Info & Affiliations https://doi.org/10.22541/authorea.15003197/v1 6 views 5 downloads Contents Abstract Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract Rubus chamaemorus L. is a dioecious and phylogenetically distinct species of the genus Rubus L. Its distribution records in China are characterized by coarse resolution, incomplete spatial coverage, and inconsistencies, and correctly identified voucher specimens are lacking. In this study, literature tracing, herbarium specimen review, and targeted field surveys were conducted to verify its occurrence in China. Results indicate that most reported records are based on secondary citations, and that specimens identified as R. chamaemorus in major Chinese herbaria are largely misidentified, with little empirical support from correctly determined material. A natural population was discovered in the Hanma National Nature Reserve in the Greater Khingan Mountains of Inner Mongolia, China, and voucher specimens (PE; Zhang Yichi et al. 2025-0714-01) were collected. This population occurs in a mature, cool-temperate Sphagnum bog with a permafrost layer. This study provides verified evidence of the occurrence of R. chamaemorus in China and a basis for future taxonomic, biogeographical, and conservation biology research. Information & Authors Information Version history V1 Version 1 12 May 2026 Collection Nordic Journal of Botany Keywords Rubus chamaemorus cloudberry distribution herbarium verification peatland ecology Alpine plant diversity Biogeography Plant taxonomy Vegetation Rubus chamaemorus cloudberry herbarium verification misidentification peatland ecology Rubus chamaemorus cloudberry distribution herbarium verification peatland ecology Alpine plant diversity Biogeography Plant taxonomy Vegetation Authors Affiliations YICHI ZHANG 0009-0005-1419-5181 [email protected] The Experimental High School Attached To Beijing Normal University, BEIJING, China, 100032 View all articles by this author SHANG DONG [email protected] View all articles by this author ZHAOQIN YI [email protected] The Experimental High School Attached To Beijing Normal University, BEIJING, China, 100032 View all articles by this author YANG LI [email protected] The Experimental High School Attached To Beijing Normal University, BEIJING, China, 100032 View all articles by this author LIBO LIU [email protected] The Experimental High School Attached To Beijing Normal University, BEIJING, China, 100032 View all articles by this author ZHONGYUE LI [email protected] The Experimental High School Attached To Beijing Normal University, BEIJING, China, 100032 View all articles by this author Liqiang Mu [email protected] View all articles by this author Metrics & Citations Metrics Article Usage 6 views 5 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation YICHI ZHANG, SHANG DONG, ZHAOQIN YI, et al. Historical misidentifications and re-evaluation of the distribution of Rubus chamaemorus in China based on herbarium and field evidence. Authorea . 12 May 2026. DOI: https://doi.org/10.22541/authorea.15003197/v1 If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download. For more information or tips please see 'Downloading to a citation manager' in the Help menu . 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