There were 3 illustrations found:
0
19_0_0_514565 [title_page]
A.A. Heller, Muhlenbergia, vol. 9 : t. 0 (1913-1915)
859413 Quercus douglasii Hook. & Arn.
A.A. Heller, Muhlenbergia, vol. 9 : p. 0 (1913-1915)
860536 Quercus lobata Née
A.A. Heller, Muhlenbergia, vol. 9 : p. 42, t. 8 (1913-1915)
019_0_0_514565 [title_page]
A.A. Heller, Muhlenbergia, vol. 9 : t. 0 (1913-1915)
859413 Quercus douglasii Hook. & Arn.A.A. Heller, Muhlenbergia, vol. 9 : p. 0 (1913-1915)
860536 Quercus lobata NéeA.A. Heller, Muhlenbergia, vol. 9 : p. 42, t. 8 (1913-1915)