2016-4-27 Comparison between Bluets (Houstonia caerulea) and Thyme-leaved Bluets (Houstonia serpyllifolia)
Images are in the public domain and from:
USDA, NRCS. 2016. The PLANTS Database (http://plants.usda.gov, 27 April 2016). National Plant Data Team, Greensboro, NC 27401-4901 USA
and
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 3: 251
respectively.
USDA, NRCS. 2016. The PLANTS Database (http://plants.usda.gov, 27 April 2016). National Plant Data Team, Greensboro, NC 27401-4901 USA
and
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 3: 251
respectively.
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