Effects of active pasture, teak ( Tectona grandis) and mixed native plantations on soil chemistry in Costa Rica von Boley, Jeremy D., Drew, Allan P., Andrus, Richard E.

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Sphagnum Beringiense sp. nov. (bryophyta) from Arctic Alaska, Based on Morphological and Molecular Data von Shaw, A. Jonathan, Andrus, Richard E, Shaw, Blanka

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Sphagnum atlanticum, a new species from eastern North America von Andrus, Richard E

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Sphagnum oregonense sp. nov. from western North America von Andrus, Richard E

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Two Sphagnum Sect. Cuspidata, New to the Western Conterminous United States von Andrus, Richard E, Kosovich-Anderson, Yelena I

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Sphagnum alaskense, A New Species from Western North America von Andrus, Richard E, Janssens, Joannes A

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Sphagnum lindbergii Schimp. in Lindb. and Other New Records of Sphagnum in Geothermal Fens, Yellowstone National Park, Wyoming, USA von Lemly, Joanna M, Andrus, Richard E, Cooper, David J

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SPHAGNUM BALTICUM IN A SOUTHERN ROCKY MOUNTAIN IRON FEN von Cooper, David J., Andrus, Richard E., Arp, Christopher D.

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New Records for Sphagnum and Other Peatland Bryophytes from Indiana von Swinehart, Anthony L., Andrus, Richard E.

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Sphagnum Species in Coalmine Drainages of Western Pennsylvania von Davis, Donald D, Andrus, Richard E

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Update on Sphagnum perichaetiale in New Zealand von Karlin, Eric F., Andrus, Richard E.

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Untitled von Andrus, Richard E.

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SIX NEW SPECIES OF SPHAGNUM (BRYOPHYTA: SPHAGNACEAE) FROM NORTH AMERICA von Andrus, Richard E.

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CHECKLIST OF SPHAGNUM IN NEW HAMPSHIRE von Cleavitt, Natalie L., Andrus, Richard E., Sperduto, Daniel D., Nichols, William F., Town, William R.

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Rare and endangered Sphagnum species in North America von Andrus, Richard E., Karlin, Eric F., Talbot, Steven S.

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Nomenclatural changes in Sphagnum imbricatum sensu lato von Andrus, Richard E.

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The sphagna of Hawaii von Karlin, E.F. (Ramapo College, Mahwah, NJ.), Andrus, R.E

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Validation of Sphagnum steerei Andrus von Andrus, Richard E.

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Two new taxa of Sphagnum in section Cuspidata von Andrus, R.E

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Sphagnum flavicomans in the Southern Appalachians von Karlin, E.F. (Ramapo College, Mahwah, NJ.), Reed, C.F, Andrus, R.E

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