The relationships of the different types of angiospermic vessels.

[1] The vessel in seed plants [J]. BOTANICAL GAZETTE, 1921, 71 (1-6): : 314 - U43

[2] Scalariform pitting - A primitive feature in angiospermous secondary wood [J]. SCIENCE, 1918, 48 : 16 - 18

[3] Vessels of the Gnetalean type in angiosperms [J]. BOTANICAL GAZETTE, 1921, 71 (1-6): : 438 - 445

[4] Solereder H., 1908, SYSTEMATIC ANATOMY D

[5] INDEPENDENT EVOLUTION OF VESSELS IN GNETALES AND ANGIOSPERMS [J]. BOTANICAL GAZETTE, 1918, 65 (01): : 83 - 90

[1] The vessel in seed plants [J]. BOTANICAL GAZETTE, 1921, 71 (1-6): : 314 - U43

[2] Scalariform pitting - A primitive feature in angiospermous secondary wood [J]. SCIENCE, 1918, 48 : 16 - 18

[3] Vessels of the Gnetalean type in angiosperms [J]. BOTANICAL GAZETTE, 1921, 71 (1-6): : 438 - 445

[4] Solereder H., 1908, SYSTEMATIC ANATOMY D

[5] INDEPENDENT EVOLUTION OF VESSELS IN GNETALES AND ANGIOSPERMS [J]. BOTANICAL GAZETTE, 1918, 65 (01): : 83 - 90