|University of California, Berkeley|
Key to families | Table of families and genera
1. Receptacle bract ending in a straight, ± flexible spine; involucre bract generally erect or upcurved ..... D. fullonum
1' Receptacle bract ending in a recurved, stiff spine; involucre bract generally ± spreading or reflexed ..... D. sativus
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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