Sensitive plant species in weed management areas on the Helena National Forest: final report Barton, Drake. creator Crispin, Susan contributor Montana Natural Heritage Program. contributor text book Helena, Mont Montana Natural Heritage Program c2002 2002
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ENG "Prepared for the Helena National Forest." "December 2002". Control Helena National Forest Montana Rare plants Weeds https://www.biodiversitylibrary.org/bibliography/54434 61117751 10.5962/bhl.title.54434 MZB