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Athyrium Roth

Scientific name record
Names_Plants record source
Is NZ relevant
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Exotic
Wild
New Zealand
Political Region

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Roth
Roth
1799
31, 58
ICN
Athyrium Roth
genus
Athyrium
From the Greek a (without) and thyra (door), a reference to the late opening or reflexing of the indusia to expose the sporangia.

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Athyrium

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Athyrium Roth

Sori dorsal; indusium us. elongate and curved across veinlet at distal end of sorus, or interrupted at distal end and produced on both sides of veinlet. Sporangia with slender stalks; annulus incomplete, vertical; spores bilateral. Rhizome dictyostelic, us. erect, sts creeping. Stipes with 2 vascular strands us. uniting above. Fronds us. large and decompound, veins rarely anastomosing. In a wide sense a genus of some 600 widely distributed spp., by some split into a number of genera.

Athyrium Roth

Terrestrial ferns. Rhizomes erect to long-creeping, scaly. Fronds 1-3-pinnate, scaly at least on stipes; veins free. Sori round or usually elongate, on one side of a vein, sometimes also developed distally on the second side. Indusia reniform, elongate or hook-shaped, attached laterally, opening towards midrib. Spores monolete.

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Athyrium Roth
Australia
Athyrium Roth
Nepal
Athyrium Roth
Norway
Athyrium Roth
Sri Lanka
Athyrium Roth
United Kingdom

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Etymology
From the Greek a (without) and thyra (door), a reference to the late opening or reflexing of the indusia to expose the sporangia.

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e4745b28-1f9a-4f57-a70e-b519c949d1f5
scientific name
Names_Plants
1 January 2000
2 December 2021
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