D. Houghton
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                                NameDouglas Houghton 
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                                Dates1809 - 1845 
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                                SpecialitiesSpermatophytes 
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                                RolesCollector, Determiner 
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                                Movement DetailsUnited States of America, Minnesota, New Hampshire, Wisconsin 
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                                NotesCollector Notes: Michigan, New York, Wisconsin 
 
 
 See Helianthus occidentalis (NY 1857685) where he is Dr. Houghton, who collected at "Sources of the St. Croix River, N.W. Territory" which now are in Wisconsin-Minnesota limits, USA
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