[1] : WordNet (r) 2.0

burr oak
     n : medium to large deciduous oak of central and eastern north
         america with ovoid acorns deeply immersed in large
         fringed cups; yields tough close-grained wood syn: bur
         oak, mossy-cup oak, mossycup oak, quercus
         macrocarpa
see also:
bur oak mossy-cup oak mossycup oak quercus macrocarpa 

[2] : U.S. Gazetteer (1990)

burr oak, ia
  zip codes: 52131
burr oak, ks city, fips 9525
  location: 39.87039 n, 98.30398 w
  population 1990: 278 174 housing units
  area: 2.2 sq km land, 0.0 sq km water
  zip codes: 66936
burr oak, mi village, fips 11920
  location: 41.84821 n, 85.32090 w
  population 1990: 882 334 housing units
  area: 2.6 sq km land, 0.0 sq km water
  zip codes: 49030

[3] : U.S. Gazetteer Places (2000)

burr oak, ks -- u.s. city in kansas
   population 2000:    265
   housing units 2000: 163
   land area 2000:     0.834035 sq. miles 2.160141 sq. km
   water area 2000:    0.000000 sq. miles 0.000000 sq. km
   total area 2000:    0.834035 sq. miles 2.160141 sq. km
   fips code:            09525
   located within:       kansas ks, fips 20
   location:             39.868516 n, 98.304297 w
   zip codes 1990:     66936
   note: some zip codes may be omitted esp. for suburbs.
   headwords:
    burr oak, ks
    burr oak

[4] : U.S. Gazetteer Places (2000)

burr oak, mi -- u.s. village in michigan
   population 2000:    797
   housing units 2000: 322
   land area 2000:     1.003263 sq. miles 2.598438 sq. km
   water area 2000:    0.000000 sq. miles 0.000000 sq. km
   total area 2000:    1.003263 sq. miles 2.598438 sq. km
   fips code:            11920
   located within:       michigan mi, fips 26
   location:             41.846497 n, 85.318788 w
   zip codes 1990:     49030
   note: some zip codes may be omitted esp. for suburbs.
   headwords:
    burr oak, mi
    burr oak

Burr Oak >> B Words
Burr Oak, definition of term: Burr Oak
burr+oak_pag1.html

Burr >> B Words
Burr, definition of term: Burr
burr_pag1.html

Holm Oak >> H Words
Holm Oak, definition of term: Holm Oak
holm+oak_pag1.html

Holly Oak >> H Words
Holly Oak, definition of term: Holly Oak
holly+oak_pag1.html