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Acorus calamus @
American Museum of Natural History, Plant Bug (1);
BOLD (15);
Systematic Mycology and Microbiology Laboratory (131);
Chinese Virtual Herbarium (2);
Botanical Exploration in Myanmar (1);
Global Biodiversity Information Facility (20120) [Dutch Vegetation Database (LVD) (8978); FlorKart - FlorenKartierung Gefaesspflanzen (2924); Dutch Foundation for Applied Water Research (STOWA) - Limnodata Neerlandica (2313); Botanical Society of the British Isles - Vascular Plants Database (1522); Artdata (1190); Florabank1 - A grid-based database on vascular plant distribution in the northern part of Belgium (Flanders and the Brussels Capital region) (856); Herbarium, Botany Unit, Finnish Museum of Natural History (H) (255); Phanerogamic Botanical Collections (S) (239); Botany (UPS) (218); Vascular Plant Herbarium, Oslo (O) (149); Botanical Society of the British Isles - Vascular Plants Database additions since 2000 (138); Missouri Botanical Garden (112); Observations du Conservatoire botanique national du Bassin parisien. (100); Gothenburg Herbarium - General (GBIF:IH:GB:Herbarium) (87); Inventaire National du Patrimoine Naturel (I067) : Flore d'Ille-et-Vilaine (71); Phanerogams herbarium specimens (65); Herbarium Berolinense (61); Biological and palaeontological collection and observation data MNHNL (61); Vascular plants in Denmark recorded under the The Nationwide Monitoring and Assessment Programme for the Aquatic and Terrestrial Environments (NOVANA) (58); kna_plant (54); kna_plant (54); Plant (54); Herbarium of Oskarshamn (OHN) (53); CONN (49); Staffordshire Ecological Record - SER Site-based Surveys (46); University Museums of Norway (MUSIT) (44); Suffolk Biological Records Centre - Suffolk Biological Records Centre (SBRC) dataset (43); Nationaal Herbarium Nederland (43); Botany Vascular Plant Collection (34); Vascular Plants, Field notes, Oslo (O) (33); Lund Botanical Museum (LD) (32); Marie-Victorin Herbarium (MT) (31); (31); The Fungal Collection at the Senckenberg Museum für Naturkunde Görlitz (30); Hertfordshire Natural History Society Flora Group - Hertfordshire Flora Survey Records 1987-2005 (30); Plant Specimens of Kurashiki Museum of Natural History (29); Taxa (28); Vascular Plant Specimen Database of Kanagawa Prefectural Museum of Natural History (28); Herbarium of the Department of Natural Forests (Forest Research Institute) (27); Atlas des plantes vasculaires de Lorraine (25); Wetland Inventory (NV) (25); Herbarium, Botanical Museum, University of Oulu, Finland (OULU) (25); inatura - Erlebnis Naturschau Dornbirn (23); North & East Yorkshire Ecological Data Centre - North and East Yorkshire Ecological Data Centre - Non-sensitive Records from all taxonomic groups. (22); Peabody Botany DiGIR Service (20); BSBI tetrad data for Ireland (20); Ibaraki Nature Museum, Vascular Plants collection (19); Vascular plants collection of Hiratsuka City Museum (18); Rotherham Biological Records Centre - Rotherham Biological Records Centre - Non-sensitive Records from all taxonomic groups (16); Scottish Natural Heritage - Standing Waters Database (16); University of British Columbia Herbarium (UBC) - Vascular Plant Collection (16); NatureServe Network Species Occurrence Data (16); NMNH Botany Collections (15); Plant Systematics Laboratory, Ajou University, Korea (15); Vascular Plant Herbarium, Trondheim (TRH) (15); Biologiezentrum Linz (14); Artsobservasjoner (14); Merseyside BioBank - North Merseyside Flowering Plants (verified) (13); Herbarium GJO (11); Kochi Prefectural Makino Botanical Garden (11); Thames Valley Environmental Records Centre - Local Wildlife Site Surveys Oxfordshire (10); Green Plant Herbarium (TRT) (10); Tiroler Landesmuseum Ferdinandeum (9); Herbarium, Centre for Biodiversity, University of Turku, Finland (TUR) (9); BioFokus (9); FKSE-Herbarium specimens of Faculty of Symbiotic Systems Science, Fukushima University, Japan (9); RBGE Herbarium (E) (8); Plant specimens depodited in Osaka Museum of Natural History, Japan. (8); Herbier Louis-Marie (QFA) - Collection de plantes vasculaires (7); Northern Ireland Environment Agency - EHS Species Datasets (7); Flora of Słowiński National Park, Poland (7); Real Jardin Botanico (Madrid), Vascular Plant Herbarium (MA) (7); Institut Botanic de Barcelona, BC (7); USU-UTC Specimen Database (7); The Norwegian Species Observations Service - Botany (7); Bristol Regional Environmental Records Centre - BRERC October 2009 (7); Vascular plant herbarium, Agder naturmuseum og botaniske hage (7); Vascular Plants, The Norwegian University of Life Sciences (NLH) (7); Herbarium Specimens of Museum of Nature and Human Activities, Hyogo Pref., Japan (6); National System of Protected Areas in Poland - Plants (6); Herbarium Specimens of Museum of Nature and Human Activities, Hyogo Prefecture, Japan (6); Vascular Plant Collection - University of Washington Herbarium (WTU) (6); EURISCO, The European Genetic Resources Search Catalogue (6); The Himalayan Uplands Plant database (HUP Version 1) (6); University of Alberta Museums, Vascular Plant Herbarium (6); Herbier de Strasbourg (6); Plants of Papua New Guinea (6); Vascular plants database of Atugi City Museum (5); Emporia State University Herbarium (5); SysTax - Herbaria (5); Vascular plant collection of Jyvaskyla University Museum (5); Vanninfo Øvrige arter (5); Gunma Museum of Natural History, Vascular Plant Specimen (5); Vascular plant specimens of Akita Prefectural Museum (4); NSW herbarium collection (4); Thames Valley Environmental Records Centre - Local Wildlife Site Surveys Berkshire (4); Dataflos (4); Vascular Plant Collection (4); Sheffield Biological Records Centre - Sheffield Biological Records Centre- Non-sensitive Records from all taxonomic groups. (4); Plant (NSMK-PL) (4); National Trust - Ickworth species data held by The National Trust. (4); Herbarium (UNA) (3); Angiospermatatophytina Collection of Saitama Museum of Natural History (3); CAS Botany (BOT) (3); Herbarium of Kitakyushu Museum of Natural History and Human History (3); Leiner-Herbar Konstanz (3); Herbarium BSG Vascular Plants (3); TestWat - Macroinvertebrates and macrophytes of freshwater bodies in Flanders, Belgium (3); RBGE Living Collections (3); Shropshire Ecological Data Network - Shropshire Ecological Data Network Database (3); Environmental Records Information Centre North East - ERIC North East non-sensitive species records (3); California State University, Chico (2); Vascular Plants, Field notes, Trondheim (TRH) (2); Binsenwiesen (2); Herbarium (2); Inventaire National du Patrimoine Naturel (I093) : Flore du Massif Armoricain (2); Flora of the Stołowe Mts. (2); SBT-Living (2); Vascular Plants Collection of Sagamihara City Museum (2); Vascular Plants, Museum of Archaeology, University of Stavanger (2); Herbarium Senckenbergianum (FR) (2); Colorado State University Herbarium (2); Wiltshire and Swindon Biological Records Centre - Wiltshire & Swindon Site-based Survey Records (2); Fairchild Tropical Botanic Garden Virtual Herbarium Darwin Core format (2); Vascular Plants, Field notes, Agder naturmuseum (KMN) (2); Garten J. Scherrer (Lachen-Speyerdorf) (2); Royal Botanic Gardens, Kew (2); Dr Francis Rose Field Notebook Project - Field Notebook Records of Dr Francis Rose 1950's to 1990's (2); UAM Herbarium (ALA), Vascular Plant Collection (Arctos) (2); Botanical Society of the British Isles - Changing Flora of Glasgow 1982-2000 (2); Specimen Database of Colorado Vascular Plants (2); Herbarium specimens (2); Flora of the Stołowe Mts. (2); Herbarium specimens (2); Fundación Biodiversidad, Real Jardín Botánico (CSIC): Anthos. Sistema de Información de las plantas de España (2); Pond Conservation - National Pond Monitoring Network collated pond survey data for Great Britain 1972 to 2007 (1); Plant Specimens collections of the Kyushu UNniversity Museum (1); AKG-Gelände (Bensheim) (1); Stadtpark Sulzbach-Rosenberg (1); Umgebung von Schorndorf (1); National Trust for Scotland - NTS Properties Species Records 1800-2013 (1); Inventaire National du Patrimoine Naturel (I009) : Espèces Végétales Menacées de France métropolitaine (1); Botanical collections of the University of Tartu (1); schulgarten (1); Biotop Binsenwiesen (Wehrheim/Taunus) (1); Royal Horticultural Society - RHS monitoring of native and naturalised plants and animals at its gardens and surrounding areas (1); GEO-Hauptveranstaltung in "Wildtierland" (1); Herbarium of The New York Botanical Garden (1); Bizzenbach-Aue im Bizzenbachtal (Wehrheim/Taunus) (1); Erft in Selikum (Neuss) (1); verschiedene Kleingewässer um Oldenburg/Holstein (1); Fuchsloch (Mohlsdorf/Ostthüringen) (1); NSG Berschau - Auengebiet (Neustadt / Wied) (1); The AAU Herbarium Database (1); NABU Naturschutzhof Netttetal (Sassenfeld) e.V. (1); PRECIS (KwaZulu-Natal Herbarium) (1); United States National Plant Germplasm System Collection (1); Schiller Gymnasium Hof 10b (1); University of Manitoba Herbarium (WIN) - Vascular Plant Collection (1); Ireland's BioBlitz 2011 (1); Selztal bei Friesenheim (1); Australian National Herbarium (CANB) (1); Chrysomelidae of the Carpathians (1); Rund um den Hainbergsee (1); Klutensee (1); Sudeniederung (Amt Neuhaus), Landkreis Lüneburg (1); Tornoer Teich (1); Nijmegen Natural History Museum (NL) - Herbarium (1); Herbarium Specimens of Tokushima Prefectural Museum, Japan (1); Rapid Assessment Program (RAP) Biodiversity Survey Database (1); Herbario Nacional de Plantas Vasculares - Museo Argentino de Ciencias Naturales 'Bernardino Rivadavia' (1); Plant (JJHA-PL) (1); Herbarium specimens - Harmas de J. H. Fabre (1); Geo-Tag der Artenvielfalt Süßen Hornwiesen-Grundschule (1); GEO-Hauptveranstaltung (Duisburg) (1); The Vascular Plant Collection at the Botanische Staatssammlung München (1); UCJEPS TAPIR Provider (1); Rund um die Sausenburg (1); Natural History Museum, Vienna - Herbarium W (1); Estonian Nature Observations Database (1); GEO Biodiversity Day (1); Canadian Museum of Nature Herbarium (1); Sudeniederung (Amt Neuhaus) (1); Schulgelände des Schulzentrums am Himmelsbarg (1); Universität Salzburg (1); Geschützter Landschaftsbestandteil - GLB "Troppach" (1); Vascular plants of south-central China (1); Hochschulgelände (Bremen) (1); Natural History Museum Rotterdam (1); Wassermann (1); Database Schema for UC Davis [Herbarium Labels] (1); Harvard University Herbaria (1); NABUGEO1 (1); Shire Group of Internal Drainage Boards - Shire Group IDB species data 2004 to present (1); LBV 100 - Artenvielfalt am Rothsee (1); Kremmer Luch (1); Regenrückhaltebecken (Zeulenroda) (1); Plant (GFEI-PL) (1); Herbario de la Universidad de Salamanca: SALA (1); Tag der Artenvielfalt (1); PRECIS (1); Consortium of California Herbaria (1) accessed through the GBIF Data Portal. Each record tells when. See dataset links for citations & terms of use.];
iNaturalist (160);
Storey, Malcolm (1);
Missouri Botanical Garden (64);
North Carolina State University, Insect Collection (10);
Warner Herbarium, Sam Houston State University (1);
Plants Database, United States Department of Agriculture (47);
Western Kentucky University (4)