Studies in apospory and apogamy in Ferns.

[1] BLACKMAN VH, ANN BOT, V18

[2] BOWER FO, 1887, T LIN SOC NEW SER, V2

[3] BOWER FO, 1887, T LIN SOC, V2

[4] FARMER, Q J M S, V48

[5] FARMER, 1895, ANAT ANZEIGER

[6] FARMER, ANN BOT, V8

[7] JUEL HO, SVENSKA VET AK HANDL, V39

[8] LANG, PHIL T, V190, P196

[9] LANG WH, 1898, PHIL T ROY SOC, V190

[10] MURBECK S, LUNDS U ARSSKRIFT, V36

[1] BLACKMAN VH, ANN BOT, V18

[2] BOWER FO, 1887, T LIN SOC NEW SER, V2

[3] BOWER FO, 1887, T LIN SOC, V2

[4] FARMER, Q J M S, V48

[5] FARMER, 1895, ANAT ANZEIGER

[6] FARMER, ANN BOT, V8

[7] JUEL HO, SVENSKA VET AK HANDL, V39

[8] LANG, PHIL T, V190, P196

[9] LANG WH, 1898, PHIL T ROY SOC, V190

[10] MURBECK S, LUNDS U ARSSKRIFT, V36