Table 1.

Measurements of morphology of Shougangia bella gen. et sp. nov.

Plant organ/tissue	Length (mm)	Width (mm)
Stems and roots
Stems	up to 152	4·5–7·8
Root mats	up to 60	13·2–33
Individual root		0·4–1·0
Vascular bundle in root		approx. 0·1
Vegetative branches, laminate pinnules on vegetative tertiary branches
Primary branches	up to 83	3·2–4·8
Secondary branches	up to 65	1·0–2·5
Tertiary branches	13·2–65	0·4–1·0
Basal pinnules	2·6–4·8	2·8–4·8
Lateral pinnules	2·8–14	2·3–9·2
Terminal pinnules	1·5–2·6	2·8–3·8
Pinnule veins		approx. 0·04
Glands terminating pinnule veins	0·2–0·3	0·1–0·2
Fertile branches and organs, laminate pinnules on fertile tertiary branches
Primary branches	up to 68	2·6–3·8
Secondary branches	up to 50	1·5–4·0
Tertiary branches	8·8–18·8	0·8–1·6
Basal pinnules	approx. 3·0	approx. 4·7
Lateral pinnules	5·3–7·0	4·2–5·0
Fertile organs	7·5–16	12–22·8
Axes within fertile organs		0·1–0·5
Sporangia	2·7–3.8	0·4–0.7