Dataset: All Collections
Taxa: Crataegus ambigua, Crataegus ambigua subsp. ambigua (Crataegus helenae)
Search Criteria: excluding cultivated/captive occurrences

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California Botanic Garden Herbarium


CalBG:RSA
Crataegus ambigua C.A. Mey. ex A.K. Becker
RSA0327784   
United States, Illinois

Harvard University Herbaria: Vascular Plants of North America


Harvard:A
00018021C. S. Sargent   31904-10-11
United States of America, Massachusetts, Worcester County

Harvard:A
00018022C. S. Sargent   81904-05-24
United States of America, Massachusetts, Worcester County

Harvard:A
00018019J. M. Sears   1904-05-31
United States of America, Massachusetts, Worcester County

Harvard:A
00018020C. S. Sargent   81904-09-04
United States of America, Massachusetts, Worcester County

Harvard:A
Crataegus ambigua C. A. Meyer ex A. K. Becker
01756523[data not captured]   
United States of America, Illinois, [data not captured]

Harvard:A
Crataegus ambigua C. A. Meyer ex A. K. Becker
01756524[data not captured]   
United States of America, Illinois, Cook County, [data not captured]

The Morton Arboretum Herbarium - Vascular Plants


MOR:herb.vasc
0078624MORSchulenberg, RF   s.n.1977-05-00
United States of America, Illinois, DuPage, [H-15/0-2]

University of Colorado Museum of Natural History Herbarium Vascular Plant Collection


COLO:V
Crataegus ambigua C.A. Mey. ex A.K. Becker
01105741Janet Wingate   22771982-09-22
United States, Colorado, Denver, Cultivated


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Google Map

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)

This creates an KML file that can be opened in the Google Earth mapping application. Note that you must have Google Earth installed on your computer to make use of this option.