Não informado. (1978). Publications fron the herbarium. University of Uppsala, Institute of Systematic Botany.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Publications Fron the Herbarium. Uppsala, Suecia: University of Uppsala, Institute of Systematic Botany, 1978.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Publications Fron the Herbarium. University of Uppsala, Institute of Systematic Botany, 1978.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.