1. Taxonomic studies on reindeer lichens (Cladonia, subgenus Cladina);Ahti T.;Ann. Bot. Soc. Zool.‐Bot. Fenn. ‘Vanamo’,1961
2. Correlation of the chemical and morphological characters in Cladonia chlorophaea and allied lichens;Ahti T.;Ann. Bot. Fenn.,1966
3. Basis of sex inheritance in Sphaerocarpus;Allen C. E.;Proc. Amer. Philos. Soc.,1917
4. The genetics of bryophytes
5. The genetics of bryophytes. II