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A floristic survey of the Bear Trap Canyon, Madison County, Montana, with a discussion of author citations using the connecting words In or Ex
Vol 49, Page 81, Date 1981
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Past and Present Oaks of Turkey, Part I
Vol 49, Page 95, Date 1981
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Certamen Melastomataceis XXXIII
Vol 49, Page 147, Date 1981
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Additional notes on the genus Priva. X
Vol 49, Page 159, Date 1981
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NOTES ON NEW AND NOTEWORTHY PLANTS 149
Vol 49, Page 182, Date 1981