Taxonomy Although Piper did not cite the subspecific rank, he (preface 9, paragraph 3) stated that he followed Philadelphia Code...
Taxonomy Although Piper did not cite the subspecific rank, he (preface 9, paragraph 3) stated that he followed Philadelphia Code (this recognized only subspecies at infraspecific rank )., 8 Oct 1906 [details]
Compositae Working Group (CWG) (2021). Global Compositae Database. Erigeron compositus subsp. trifidus (Hook.) Piper. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1224266 on 2024-10-24
Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Erigeron trifidus [Govaerts World Compositae Checklist A-G] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Erigeron compositus Pursh subsp. trifidus (Hook.) Piper [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Contr. U. S. Natl. Herb. 11 [Govaerts World Compositae Checklist A-G] Contributions from the United States National Herbarium 11: [Tropicos] [details] LSID urn:lsid:compositae.org:names:ADB23CCB-75B4-4105-A895-F90524DCB415 [details] Taxonomy Although Piper did not cite the subspecific rank, he (preface 9, paragraph 3) stated that he followed Philadelphia Code (this recognized only subspecies at infraspecific rank )., 8 Oct 1906 [details]