{"title":"The evolution and systematics of Leavenworthia (Cruciferae)","authors":"R. Rollins","doi":"10.5962/p.336407","DOIUrl":"https://doi.org/10.5962/p.336407","url":null,"abstract":"","PeriodicalId":139011,"journal":{"name":"Contributions from the Gray Herbarium of Harvard University","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116610863","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The somatic chromosomes of Rudbeckia and related genera of the Compositae","authors":"R. E. Perdue","doi":"10.5962/p.336391","DOIUrl":"https://doi.org/10.5962/p.336391","url":null,"abstract":"","PeriodicalId":139011,"journal":{"name":"Contributions from the Gray Herbarium of Harvard University","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129507029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Critical plants of the Upper Great Lakes region of Ontario and Michigan","authors":"M. L. Fernald","doi":"10.5962/p.336162","DOIUrl":"https://doi.org/10.5962/p.336162","url":null,"abstract":"","PeriodicalId":139011,"journal":{"name":"Contributions from the Gray Herbarium of Harvard University","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129608085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Potamogeton alpinus and P. microstachys","authors":"M. L. Fernald","doi":"10.5962/p.336122","DOIUrl":"https://doi.org/10.5962/p.336122","url":null,"abstract":"","PeriodicalId":139011,"journal":{"name":"Contributions from the Gray Herbarium of Harvard University","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128500953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Euphorbia subgenus Chamaesyce in Canada and the United States exclusive of southern Florida","authors":"L. C. Wheeler","doi":"10.5962/p.336256","DOIUrl":"https://doi.org/10.5962/p.336256","url":null,"abstract":"","PeriodicalId":139011,"journal":{"name":"Contributions from the Gray Herbarium of Harvard University","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124764417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Diagnoses and transfers of tropical American Phanerogams","authors":"B. L. Robinson","doi":"10.2307/20022477","DOIUrl":"https://doi.org/10.2307/20022477","url":null,"abstract":"","PeriodicalId":139011,"journal":{"name":"Contributions from the Gray Herbarium of Harvard University","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123953620","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A list of type specimens in Elliott's Herbarium","authors":"C. Weatherby","doi":"10.5962/p.337622","DOIUrl":"https://doi.org/10.5962/p.337622","url":null,"abstract":"","PeriodicalId":139011,"journal":{"name":"Contributions from the Gray Herbarium of Harvard University","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123625347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A revision of the genus Rumfordia","authors":"B. Robinson","doi":"10.5962/p.335955","DOIUrl":"https://doi.org/10.5962/p.335955","url":null,"abstract":"","PeriodicalId":139011,"journal":{"name":"Contributions from the Gray Herbarium of Harvard University","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123628634","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Revision of the Mexican and Central American species of the genus Calea","authors":"B. Robinson, J. Greenman","doi":"10.2307/20020653","DOIUrl":"https://doi.org/10.2307/20020653","url":null,"abstract":"","PeriodicalId":139011,"journal":{"name":"Contributions from the Gray Herbarium of Harvard University","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114234138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Index [no. 113]","authors":"","doi":"10.5962/p.336175","DOIUrl":"https://doi.org/10.5962/p.336175","url":null,"abstract":"","PeriodicalId":139011,"journal":{"name":"Contributions from the Gray Herbarium of Harvard University","volume":"117 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114235388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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