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Ladder-backed Woodpecker

Picoides scalaris (Wagler, 1829)

You can select up to 8 checklists to perform a comparison of taxonomic authorities for this taxon and related concepts:

You can also use one of the pre-defined group of taxonomic authorities below:

The table provided below compares authorities for this taxon and related concept. Names in red are those that differ from the name in the column located immediately to the left.
Species concept American Ornithologists' Union 1st edition (1886)American Ornithologists' Union 2nd edition (1895)American Ornithologists' Union 3rd edition (1910)American Ornithologists' Union 4th edition (1931)American Ornithologists' Union 5th edition (1957)American Ornithologists' Union 6th edition (1983)American Ornithologists' Union 7th edition (1998)American Ornithologists' Union 7th edition (incl. 59th suppl.)
* Picoides scalaris Dryobates scalaris
Texan Woodpecker
Dryobates scalaris
Texas Woodpecker
Dryobates scalaris
Texas Woodpecker
Dryobates scalaris
Texas Woodpecker
Dendrocopos scalaris
Ladder-backed Woodpecker
Picoides scalaris
Ladder-backed Woodpecker
Picoides scalaris
Ladder-backed Woodpecker
Dryobates scalaris
Ladder-backed Woodpecker
Picoides scalaris scalaris Dryobates scalaris scalaris
 
 
 
 
 
 
 
Dendrocopos scalaris scalaris
 
 
 
 
 
 
 
Picoides scalaris scalaris (scalaris)  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Picoides scalaris scalaris (lambi)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Picoides scalaris scalaris (percus)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Picoides scalaris scalaris (ridgwayi)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Picoides scalaris scalaris (azelus)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Picoides scalaris cactophilus  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Picoides scalaris cactophilus (cactophilus)  
 
 
 
 
 
Dryobates scalaris cactophilus
 
Dendrocopos scalaris cactophilus
 
 
 
 
 
 
 
[Picoides scalaris cactophilus (giraudi)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Picoides scalaris cactophilus (symplectus)]  
 
 
 
 
 
Dryobates scalaris symplectus
 
Dendrocopos scalaris symplectus
 
 
 
 
 
 
 
[Picoides scalaris cactophilus (bairdi)]  
 
Dryobates scalaris bairdi
 
Dryobates scalaris bairdi
 
 
 
 
 
 
 
 
 
 
 
Picoides scalaris eremicus  
 
 
 
 
 
Dryobates scalaris eremicus
 
Dendrocopos scalaris eremicus
 
 
 
 
 
 
 
Picoides scalaris lucasanus Dryobates scalaris lucasanus
 
Dryobates scalaris lucasanus
 
Dryobates scalaris lucasanus
 
Dryobates scalaris lucasanus
 
Dendrocopos scalaris lucasanus
 
 
 
 
 
 
 
Picoides scalaris graysoni  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Picoides scalaris sinaloensis  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Picoides scalaris sinaloensis (sinaloensis)  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[Picoides scalaris sinaloensis (centrophilus)]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Picoides scalaris parvus  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Picoides scalaris leucoptilurus  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Picoides scalaris soulei  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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