Ten moss species are reported as pioneer records of the Bryoflora in Siwa oasis. All taxa except Bryum species
are new records to Libyan Oases territory, while Tortella inclinata is a new record to Egypt. This brings the total
number of fully identified Egyptian mosses to 176 entities and that of Egyptian Oases to 30 mosses. Bryum
bicolor is recorded fruiting for the first time in Egypt. Notes on habitats, sex organs and fruiting are given. Key
for the recorded species and illustrated drawings for Tortella inclinata & Bryum bicolor are also provided.