Dataset: All Collections
Taxa: Gymnocarpium robertianum (Dryopteris robertiana, Phegopteris calcarea, Phegopteris robertiana, Thelypteris robertiana, Aspidium calcareum, Aspidium robertianum, Carpogymnia robertiana, Currania robertiana, Dryopteris disjuncta subsp. calcarea, Gymnocarpium altaicum, Gymnocarpium obtusifolium, Lastraea robertiana, Lastrea calcarea, Lastrea obtusifolia, Lastrea robertiana, Nephrodium robertianum, Phegopteris dryopteris var. robertiana, Polypodium calcareum, Polypodium dryopteris var. calcareum, Polypodium dryopteris var. robertianum, Polypodium dryopteris subsp. robertianum, Polypodium obtusifolium, Polypodium robertianum)
Search Criteria: USA; includes cultivated/captive occurrences
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Google Maps is a web mapping service provided by Google that features a map that users can pan (by dragging the mouse) and zoom (by using the mouse wheel). Collection points are displayed as colored markers that when clicked on, displays the full information for that collection. When multiple species are queried (separated by semi-colons), different colored markers denote each individual species.
Google Earth (KML)
The PCC, and this data portal, were made possible by funding from the National Science Foundation’s Advancing Digitization of Biological Collections (ADBC) program, grant numbers 1802504, 1802352, 1802134, 1802033, 1802270, 1802255, 1802239, 1802446, 1802305.
The pteridoportal taxonomic thesaurus is based on the Checklist of Ferns and Lycophytes of the World, generously provided by Michael Hassler.