柳叶藓属,植物体密集薄层状丛生,深绿色或黄绿色。茎匍匐,叶稀疏着生,不规则分枝。茎叶直立或向外倾立,长卵披针形,渐成叶尖;叶缘平展,全缘;中肋细弱,单1,达于叶片的中上部终止;叶片上部细胞长六边菱形,或长椭圆形,长为宽的2-3倍,基部较短;叶角部细胞方形。
Drepanocladus···············
镰刀藓属Hygroamblystegium·········
湿柳藓属Leptodictyum············.
薄网藓属Pseudoscleropodium·········
大绢藓属Sciaromiopsis············
厚边藓属