Contents in parts: Blue-greens and man-draft of a case study: Aphanizomenon flos-aquae / Leptolyngbya species from selected seep walls in the Great Smoky Mountains National Park / Chamaesiphon komarekii species nova, a new benthic freshwater chroococcalean species (Cyanophyta-Cyanobacteria) / from western coniferous forest streams in British Columbia,Canada...