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Polystichum luctuosum

Polystichum luctuosum is a species of fern known by the common names Korean rock fern and Tsushima holly fern[citation needed]. It is a small, clump-forming, tufted, evergreen to semi-evergreen fern native to Japan, Korea, Taiwan, China, Vietnam, and Thailand, as well as southern Africa. The fern grows to about 1–1.5 feet in height, with a spread of…

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FernStipe
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Polystichum luctuosum

Nodes4
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Avg. degree1.5
Density0.5
Components1

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Polystichum luctuosum

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Polystichum luctuosum → species of fern known by the common names Korean rock fern and Tsushima holly fern

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fern polystichum luctuosum species tsus-simense kunze stipe aspidium var pallescens franch hook known common names korean rock tsushima holly citation

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SubjectPredicateObjectConfidenceSrc
Polystichum luctuosumis aspecies of fern known by the common names Korean rock fern and Tsushima holly fern0.90text

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