|University of California, Berkeley|
Key to families | Table of families and genera
1. Stigmas 2; fruit 2-sided, tightly attached bristles 0 ..... B. maritimus subsp. paludosus
1' Stigmas generally 3; fruit generally 3-sided, tightly attached bristles 0–6
2. Flower bract awn base ± 0.5 mm wide; anthers orange; fruit floating on water, tightly attached bristles 0 ..... B. robustus
2' Flower bract awn base 0.2–0.3 mm wide; anthers yellow; fruit sinking in water, tightly attached bristles 3–6
3. Widest leaf blade >= 7 mm wide; spikelet 6–10 mm wide; leaf sheath tip papery, veined; fruit 3.8–5.5 mm, as deep as wide, mucro 0.2–0.8 mm ..... B. fluviatilis
3' Widest leaf blade < 7 mm wide; spikelet 3–5 mm wide; leaf sheath tip with triangular, membranous, veinless area; fruit 2.5–3.3 mm, shallower than wide, mucro <= 0.1 mm ..... B. glaucus
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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