Observations on the anatomy of solenostelic ferns. Part II.

[21] 1901, BOT Z, V49, P79

[22] 1892, ARBEITEN K BOT GART, V1

[23] 1847, ABHANDL K ACAD WISSE, P186

[24] 1902, PHIL T ROY SOC LOND, V144, P132

[25] 1901, ANN BOT, V15, P730

[26] PHIL T B, V194, P499

[27] 1903, ANN BOT, V17, P530

[28] 1833, ICONES PLANTARUM CRY

[29] 1845, VERMISCHTE SCHRIFTEN, P108

[30] 1861, VERHANDL DTSCH ACAD, V28, P18

[21] 1901, BOT Z, V49, P79

[22] 1892, ARBEITEN K BOT GART, V1

[23] 1847, ABHANDL K ACAD WISSE, P186

[24] 1902, PHIL T ROY SOC LOND, V144, P132

[25] 1901, ANN BOT, V15, P730

[26] PHIL T B, V194, P499

[27] 1903, ANN BOT, V17, P530

[28] 1833, ICONES PLANTARUM CRY

[29] 1845, VERMISCHTE SCHRIFTEN, P108

[30] 1861, VERHANDL DTSCH ACAD, V28, P18