This FUEHRDING-POTSCHKAT_2022_DATA_README.txt file was generated on 2022-07-14 by Petra Fuehrding-Potschkat GENERAL INFORMATION Title of Dataset: Data from: Influence of different data cleaning solutions of point-occurrence records on downstream macroecological diversity models. Author Information/Corresponding Investigator Name: Petra Fuehrding-Potschkat ORCID: 0000-0003-2838-9874 Institution: Biodiversity, Macroecology and Conservation Biogeography, Faculty of Forest Sciences Address: University of Göttingen, Büsgenweg 1, 37077 Göttingen Email: fuehrding@gmail.com Author/Associate or Co-investigator Information Name: Stefanie M. Ickert-Bond Institution: Department of Biology and Wildlife & UA Museum of the North Address: University of Alaska Fairbanks, 1962 Yukon Drive, Fairbanks, AK 99775-6969, USA. Email: smickertbond@alaska.edu Author/Alternate Contact Information Name: Holger Kreft Institution: Biodiversity, Macroecology and Conservation Biogeography, Faculty of Forest Sciences Address: University of Göttingen, Büsgenweg 1, 37077 Göttingen Email: hkreft@uni-goettingen.de Date of data collection: 1999 to 2019 Geographic location of data collection: North America, USA and Mexico Information about funding sources that supported the collection of the data: SHARING/ACCESS INFORMATION Source of dataset: Ickert-Bond, S. M. (2003). Systematics of New World Ephedra L. (Ephedraceae): Integrating of morphological and molecular data. Ph.D. Dissertation. Tempe: Arizona State University. Recommended citation for this dataset: Fuehrding-Potschkat et al. (2022), Data from: Influence of different data cleaning solutions of point-occurrence records on downstream macroecological diversity models., Dryad, Dataset DATA & FILE OVERVIEW 1. Description of dataset The dataset is the expert dataset of the study. It contains 704 (re-) determined and thoroughly vetted records from major North American herbaria and field collections, representing the most realistic environmental and geographical range of the genus Ephedra in North America. 2. File List: File Name: Fuehrding-Potschkat_2022_NAm_Ephedra.xlsx File Description: 704 North American Ephedra records from Herbarium reviews and field collections, filtered from: Ickert-Bond (2003), New World Ephedra data METHODOLOGICAL INFORMATION Description of methods used for collection/generation of data: Methods for processing the data: Instrument- or software-specific information needed to interpret the data: Standards and calibration information, if appropriate: Environmental/experimental conditions: Describe any quality-assurance procedures performed on the data: People involved with sample collection, processing, analysis and/or submission: DATA-SPECIFIC INFORMATION FOR: Fuehrding-Potschkat_2022_NAm_Ephedra.xlsx 1. Number of variables: 4 2. Number of cases/rows: 704 3. Variable List: 1. scientific_name: The scientific name of an Ephedra specimen, according to (re-)determining by S.M. Ickert-Bond. 2. femstrobilus: The strobilus type of the species. Three cases: fleshy, membranous, papery. 3. country: 2-digit North American country of occurrence. Two cases: MX (Mexico), US (United States of America). 4. county_parish1: Mexican states, US states. 5. county_parish2: Mexican municipality, US county. 6. lat: Latitude, in degrees, minutes, and seconds. 7. lon: Longitude, in degrees, minutes, and seconds. 8. georegion: geographical regions in Mexico and the USA. 9. first_collector: Name of the collector of the specimen 10. day: Day of collection. 11. mon: Month of collection. 12. year: Year of collection. 13. publishingorg: Museum or herbarium code that created the specimen records and published it. 4. Missing data codes: None 5. Abbreviations used: N/A; not applicable 6. Specialized formats or other abbreviations used: Herbarium acronyms according to Thiers (2022).