Collema fasciculare var. microcarpum (Müll.Arg.) Degel.
Synechoblastus microcarpus Müll. Arg., Flora 65: 292 (1882).
Differs from the typical variety in the higher hymenium and in the longer and often narrower spores (65-)100-170 × (2.5-)3-4.5(-6) µm. Thallus rather small, to 4 cm diam., varying in thickness, in some plants very small isidia-like granules occur.
N: S: North Auckland to Southland. Throughout, to 870 m at Arthur's Pass.
Palaeotropical
