Table 1 Morphological observation of studied strain. The latter was based on previously published photomicrographs

Creeping and erect filaments

The main filaments were thicker and creeping than the branches

The main filaments were thicker and creeping than the branches

+/U & B/U

+/U & B/ U & B

+/U/U

olive green

greenish

bluish green

T-type only one side of main axis and V-type.

T-type only one side of main axis.

T-type both sides of main axis.

spherical to rectangular, 0.7–1.1 × longer than wide, 6.5–13.5 μm length, 6.3–15.5 μm width

width usually much greater than length, 4.39-5.41 μm length, 7.52-9.29 μm width

square, cylindrical or barrel shape, 3.64-7.36 μm length, 4.8-10.62 μm width

spherical or slightly oblong, 3–8 × longer than wide, 11.2–29.5 μm length, 4.5–6.0 μm width

Irregular-shaped cells with some being squeezed from both sides, 6.13–6.19 μm length, 6.66–6.73 μm width

Irregular shaped cells with some being squeezed from both sides, 5.92–5.99 μm length, 6.33–6.44 μm width

elongate, spherical, or even compressed (shorter than broad) intercalary 10.0–22.5 μm length ×  6.5–11.5 μm width

Irregular shaped; Large cells and curved on the width,7.82–7.88 μm length, 10.82–10.89 μm width

Irregular shaped; Large cells and curved on the width, 8.00–8.09 μm length, 10.24–10.41 μm width

Heterocytes In branching filaments

Tr

7.3–8.0 μm length × 4.8–8.5 μm width

–

–

I

5.3–6.0 μm length × 2.8–3.5 μm width

Large sized; always smaller than those of the main branches, 3.32–3.47 μm length, 4.30–4.38 μm width

Large sized; always smaller than those of the main branches, 6.92–6.95 μm length, 8.03–8.08 μm width

Oblong, mainly in chains, 5.0–6.0 μm broad, 6.5–11.0 μm Length.

not observed

Not observed

T and V

T

T

HG, A, Monocite

HG

HG,