3 literature references for Campylium laxifolium Engelmark & Hedenäs, 1990 [1992]:

Author: Engelmark, T.-B. & L. Hedenäs
Year: 1990
Title: A new species of ~Campylium~ from the northern holarctic region
Source: Lindbergia
Author: Brotherus
Year: 1895
Title:
Source: Bih. Kongl. Svenska Vetensk.-Akad. Handl.
Author: Engelmark & Hedenäs
Year: 1990
Title:
Source: Lindbergia