Species

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Total: 362

species valid

Sigillaria planicosta Dawson Canad. Naturalist Geol., 1863, 8(6): 434. 30 Jan 1864

species unavailable

Sigillaria striata Dawson Canad. Naturalist Geol., 1863, 8(6): 435. 30 Jan 1864

species valid

Sigillaria sydnensis Dawson Canad. Naturalist Geol., 1863, 8(6): 435. 30 Jan 1864

species valid

Sphenophyllum antiquum Dawson Canad. Naturalist Geol., 6(3): 170. Jun 1861

species valid

Sphenopteris canadensis Dawson Canad. Naturalist Geol., 1863, 8(6): 445. 30 Jan 1864

species valid

Sphenopteris harttii Dawson Quart. J. Geol. Soc. London, Part I, 18(72): 321. 1 Nov 1862

species valid

Sphenopteris hitchcockii Dawson in C.H. Hitchc. Rep. (Annual) Secr. Maine Board Agric., 1861, (6): 251. 1862

species valid

Sphenopteris hitchkockiana Dawson Quart. J. Geol. Soc. London, Part I, 18(72): 321. 1 Nov 1862

species valid

Sphenopteris latior Dawson Canad. Naturalist Geol., 1863, 8(6): 444. 30 Jan 1864

species valid

Sphenopteris marginata Dawson Quart. J. Geol. Soc. London, Part I, 18(72): 321. 1 Nov 1862

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