Xyridaceae - yellow-eyed-grass family
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Maine is home to 3 species in 1 genus (hybrids excluded). If you know which species you have or are interested in learning about, click on the appropriate link from the species list below. Otherwise, to determine which species your plant is, refer to the table below the species list.

   Xyris (3 species)
      Xyris difformis var. difformis - bog yellow-eyed-grass
      Xyris montana - northern yellow-eyed-grass
      Xyris smalliana - Small’s yellow-eyed-grass

Xyris (yellow-eyed-grass)
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red font = character state unique or nearly so	floral scale length	floral scale coloration	leaf width	seed length
X. difformis vsr. difformis	5–8 mm	with a well-defined green central area	3–15 mm	approximately 0.5 mm
X. montana	3–4.5 mm	without a well-defined green central area	0.8–1.5 mm	nearly 1 mm
X. smalliana

Xyris difformis var. difformis (bog yellow-eyed-grass) - [information to be added]

Xyris montana (northern yellow-eyed-grass) - [information to be added]
   
(click on an image to enlarge)

Xyris smalliana (Small’s yellow-eyed-grass) - [information to be added]

Note:
   1. Taxonomy and nomenclature follow Flora Novae Angliae by Arthur Haines (2011, Yale University Press, ISBN 978-0-300-17154-9).