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4 items were found for the name "Usnea rigida" (accepted names only)

Usnea rigida (Ach.) Motyka

Usnea rigida (Ach.) Motyka var. rigida

Usnea rigida var. haplotera (Harm.) Clauzade & Cl. Roux

Usnea rigida var. protea (Motyka) Clauzade & Cl. Roux