barleys

genus Hordeum

Member of grasses (family Poaceae)
grasses, sedges, cattails, and allies (order Poales)
monocots (class Liliopsida)
flowering plants (subphylum Angiospermae)

Except for historical records that I'm ignoring, there are no other wild species of this genus in the bay area.

3 spikelets per node: 1 central and 2 lateral.

auricles of upper leaves well developed, 1–4 mm

common barley
Hordeum vulgare

inflorescence axis generally remaining intact at maturity
lateral spikelets sessile
glume margins not ciliate

wall barley
Hordeum murinum

wall barley
Hordeum murinum

inflorescence axis breaking apart at maturity
lateral spikelets stalked
glume margins ciliate

no auricles on upper leaves

Lower leaves may have vestigial auricle rudiments.

foxtail barley
Hordeum jubatum

glumes strongly divergent at maturity

meadow barley
Hordeum brachyantherum

glumes generally straight or slightly spreading with age
inflorescence fully exserted at maturity

salt barley
Hordeum marinum

glumes generally straight with age
awn of lateral spikelet lemma 3–8 mm

dwarf barley
Hordeum depressum

glumes generally straight with age
inflorescence generally ± enclosed in upper sheath at maturity
awn of lateral spikelet lemma < 1 mm

1 observed taxon / 5 unobserved taxons / 1 key

Chris’s observations: 6 (1 is research grade)

Locations:

Coyote Lake / Harvey Bear Ranch CP: 2
Máyyan 'Ooyákma Coyote Ridge OSP: 2
Edgewood Park & Natural Preserve
Fremont Older OSP

Months:

Mar.: 1
Apr.: 4
May: 1

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Taxon info: iNaturalist – Calflora – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora