SysTax - Browse Taxonomy (beta)  
 
  all specimens types images sounds bot. garden
restrictions: with data from synonyms: no yes
only valid taxa: no yes
C: specimen, T: type, I: image, S: sound, B: bot. garden (s: synonym of taxon)
Quercus (Tourn.) L. (Genus) C       B 
Quercus nigra L. (Species)         B 
Quercus nigra L. var. aquatica Lam. (Variety)          sB
Quercus nigra L. var. marilandica L. (Variety)          sB
Quercus nigra L. var. tridentifera Sarg. (Variety)         B 
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