Schumann, K.M., Gürke, M, Vaupel, F., Blühende Kakteen. Iconographia Cactacearum (1900-1921)
Bl. Kakt.
vol. 3 (1910)
t.
149
name cited:
Echinocactus williamsii Lemaire
name recognized:
Echinocactus williamsii Lemaire
drawing:
J. Pohl
family: Cactaceae
subfamily: Cactoideae
tribe: Cacteae
epithet:
williamsii
link_details:
details
Illustration contributed by:
link to this page:
https://www.plantillustrations.org/illustration.php?id_illustration=183776
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