| Classification | Rosaceae: Crataegus | 
| Barcode(s) | 01612517 | 
| Collector | E. P. Kruschke | 
| Collector number | K-50-43 | 
| Country | United States of America | 
| State | Michigan | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Houghton County | 
| Locality | South of south edge of Houghton, near top of high bluff and just east of Hwy 26; area south of Portage lake part of canal. | 
| Date Collected | 1951-05-28 | 
| Habitat | On upper slope of high hilly or mountainous bluffs, on very rough irregular-pocked exposed bedrock or basalt grown over with young trees and shrubs. | 
| Frequency | very occasional here | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/25e6b41e-d875-4ddc-b926-d017df022050 | 
| Harvard University Herbaria Barcode | 01612517 | 
| Herbarium | A | 
| Family | Rosaceae | 
| Determination |  Crataegus douglasii Lindley | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |