MONOSCALITHECA, A SYNONYM OF BISCALITHECA (COENOPTERIDALES).CRIDLAND AA.1971; BULL. TORREY BOT. CLUB.; USA; 1971, VOL. 98, NUM. 0005, P. 258 A 264Miscellaneous

ALETHOPTERIS AMBIGUA LESQUEREUX,A PENNSYLVANIAN PTERIDOSPERM FROM MISSOURI,U.S.A.CRIDLAND AA.1968; J.LINN.SOC.LONDON.BOT.; 1968(7), VOL. 61, NUM. 0384, P. 107 A 111Miscellaneous

A SELAGINELLOID FOSSIL FROM THE PENNSYLVANIAN OF INDIANA. (ABSTRACT).CRIDLAND AA.1967; AMER. J. BOT.; USA; 1967, VOL. 54, NUM. 0005Miscellaneous

REINTERPRETATION OF MONOSCALITHECA. (ABSTRACT).CRIDLAND AA.1967; AMER. J. BOT.; USA; 1967, VOL. 54, NUM. 0005Miscellaneous

A VASCULAR PLANT OF BRYOPHYTIC HABIT. (ABSTRACT).CRIDLAND AA.1967; AMER. J. BOT.; USA; 1967, VOL. 54, NUM. 0005Miscellaneous