A systematic study of the Salicacæ.

[1] BENTHAM G, GEN PLANTARUM LONDON, V3, P62

[2] Notes on Sassafras. [J]. BOTANICAL GAZETTE, 1902, 34 (1-6): : 426 - U38

[3] Notes on the phylogeny of Liriodendron [J]. BOTANICAL GAZETTE, 1902, 34 (1-6): : 44 - 63

[4] BERRY EW, 1904, AM GEOL, V34, P254

[5] Berry EW, 1904, B TORREY BOT CLUB, V31, P67

[6] BERRY EW, 1901, TORREYA, V2, P33

[7] BERRY EW, 1901, TORREYA, V1, P105

[8] BERRY EW, 1901, TORREYA, V3, P129

[9] De Bary A., 1884, Comparative anatomy of the vegetative organs of the phanerogams and ferns

[10] DEVRIES H, 1905, SPECIES VARIETIES OR

[1] BENTHAM G, GEN PLANTARUM LONDON, V3, P62

[2] Notes on Sassafras. [J]. BOTANICAL GAZETTE, 1902, 34 (1-6): : 426 - U38

[3] Notes on the phylogeny of Liriodendron [J]. BOTANICAL GAZETTE, 1902, 34 (1-6): : 44 - 63

[4] BERRY EW, 1904, AM GEOL, V34, P254

[5] Berry EW, 1904, B TORREY BOT CLUB, V31, P67

[6] BERRY EW, 1901, TORREYA, V2, P33

[7] BERRY EW, 1901, TORREYA, V1, P105

[8] BERRY EW, 1901, TORREYA, V3, P129

[9] De Bary A., 1884, Comparative anatomy of the vegetative organs of the phanerogams and ferns

[10] DEVRIES H, 1905, SPECIES VARIETIES OR