(1) Stems are long and creeping with regularly-pinnate and slightly flattened branches; (2) stem leaves are concave, strongly incurved at one side with strongly spinose-serrate and geminate margins; (3) lamina cells are strongly prorate and spiculose-prorate or spinose in upper half; (4) branch leaves are distinctly concave, with shortacuminate and constricted apices
(1) Plants are rather laxly branched; (2) branch leaves are slightly flattened, rather lax, concave,...
(1) Plants are densely tufted, (2) branches are 5 - 7 mm long; (3) stem leaves are similar to branch...
(1) Plants are robust, often tinged with red, and irregularly pinnate, (2) branches are generally su...
(1) Branches tumid with spirally arranged leaves; (2) stem leaves are imbricate-patent, broadly incu...
(1) Main stem are elongate, giving rise to long, sub-erect branches, (2) branches are simple or spar...
(1) Plants are small and densely branched; (2) branches are often with cuspidate tips; (3) stem leav...
(1) Plants are vigorous, laxly branched, with filamentous propagules in leaf axils near the branch t...
(1) Plants are small and densely tufted, (2) branches are ca. 3-5 mm long, ca. 1 mm wide, and often ...
(1) Branch leaves are flattened, erect-spreading and concave; (2) leaf margins are closely denticula...
(1) Branches are rigid, sub-erect, tumid and obtuse; (2) branch leaves are imbricate-patent, lingula...
(1) Plants are robust and densely branched; (2) branches are densely foliated and slightly flattened...
(1) Plants are very small and densely branched; (2) branches are slightly f lattened; (3) stem leave...
(1) Branches are erect or strongly incurved when dry, with filamentous propagules in leaf axils near...
(1) Plants are sparsely branched, somewhat flattened; (2) branch leaves are deeply concave, plicate,...
(1) Branches are recurved to incurved when dry, densely foliate, flattened to sub-tumid, often secun...
(1) Plants are rather laxly branched; (2) branch leaves are slightly flattened, rather lax, concave,...
(1) Plants are densely tufted, (2) branches are 5 - 7 mm long; (3) stem leaves are similar to branch...
(1) Plants are robust, often tinged with red, and irregularly pinnate, (2) branches are generally su...
(1) Branches tumid with spirally arranged leaves; (2) stem leaves are imbricate-patent, broadly incu...
(1) Main stem are elongate, giving rise to long, sub-erect branches, (2) branches are simple or spar...
(1) Plants are small and densely branched; (2) branches are often with cuspidate tips; (3) stem leav...
(1) Plants are vigorous, laxly branched, with filamentous propagules in leaf axils near the branch t...
(1) Plants are small and densely tufted, (2) branches are ca. 3-5 mm long, ca. 1 mm wide, and often ...
(1) Branch leaves are flattened, erect-spreading and concave; (2) leaf margins are closely denticula...
(1) Branches are rigid, sub-erect, tumid and obtuse; (2) branch leaves are imbricate-patent, lingula...
(1) Plants are robust and densely branched; (2) branches are densely foliated and slightly flattened...
(1) Plants are very small and densely branched; (2) branches are slightly f lattened; (3) stem leave...
(1) Branches are erect or strongly incurved when dry, with filamentous propagules in leaf axils near...
(1) Plants are sparsely branched, somewhat flattened; (2) branch leaves are deeply concave, plicate,...
(1) Branches are recurved to incurved when dry, densely foliate, flattened to sub-tumid, often secun...
(1) Plants are rather laxly branched; (2) branch leaves are slightly flattened, rather lax, concave,...
(1) Plants are densely tufted, (2) branches are 5 - 7 mm long; (3) stem leaves are similar to branch...
(1) Plants are robust, often tinged with red, and irregularly pinnate, (2) branches are generally su...