|University of California, Berkeley|
Key to families | Table of families and genera
1. Lowest floret lemma 8–12 mm; stem 7–16 dm; rhizome evident
2. Awn 0.2–4 mm; spikelets erect or ascending at maturity ..... P. hooverianus
2' Awn 5–22 mm; spikelets reflexed at maturity ..... P. refractus
1' Lowest floret lemma 4.5–7.5 mm; stem (0.4)1.5–9.5 dm; rhizome 0 ..... P. californicus
3. Annual; lemma awn generally present, (0)5–11 mm; palea appendages 0.5–2.5 mm ..... var. californicus
3' Perennial herb; lemma awn occasionally present, <= 1.5 mm; palea appendages 0.5–1 mm ..... var. davyi
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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