Engler, H.G.A., (1900-1968)
Pflanzenr.
vol. 280(I-VII): (1921)
p. 60 f. 7 A
name cited:
Hieracium oxyodon subsp. oxyodon Fr.
name recognized:
family: Compositae
tribe: Lactuceae
subtribe: Hieraciinae
epithet:
oxyodon
Illustration contributed by:
University of Toronto Library, Canada
link to this page:
https://www.plantillustrations.org/illustration.php?id_illustration=181775
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synonyms: