Rare and Endangered Native Plant Species in Saskatchewan of Lat. 55 degrees

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• John H. Hudson, An Odd Corner of the Province-Old Man on His Back Plateau , Blue Jay: Vol. 19 No. 3 (1961): September 1961
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• John H. Hudson, Rediscovery of Stephanomeria (Rush Pink) in Saskatchewan , Blue Jay: Vol. 23 No. 1 (1965): March 1965
• John H. Hudson, New or Unusual Plant Records for Saskatchewan, 1969 , Blue Jay: Vol. 28 No. 1 (1970): March 1970
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• John H. Hudson, Plant Discoveries in Saskatchewan, 1988–92, Featuring Serpent Spurge and Fluffweed , Blue Jay: Vol. 52 No. 3 (1994): September 1994
• John H. Hudson, A Second Evening Star in Saskatchewan , Blue Jay: Vol. 42 No. 1 (1984): March 1984
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• John H. Hudson, 1971 Botanical Records For Sasatchewan , Blue Jay: Vol. 30 No. 2 (1972): June 1972