Lab 6 or 10

Lab 6 or 10 - Lab 10 - Sagebrush Grasslands and Salt Desert...

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Lab 10 - Sagebrush Grasslands and Salt Desert Shrublands cheatgrass Bromus tectorum AIC Poaceae/Bromeae a. grass an annual, up to 1 m tall in wet sites, b. lemmas narrow, acuminate with pubescence; awn at tip 12-14 mm long c. panicles slender, flexous, spikelets often nodding; sheaths are fused d. an invader on millions of acres in the northwest crested wheatgrass Agropyron cristatum PIC Poaceae/Triticeae a. spikelets crowded on rachis, comb or feather-like , somewhat divergent at maturity b. glumes and lemmas awn-tipped c. most commonly seeded grass on sagebrush range d. similar to A. desertorum and A. sibericum intermediate wheatgrass Elymus hispidus PIC Poaceae/Triticeae a. lemmas awnless, with dark veins b. spikelets open, 1/4 imbricate , tip of spikelets tend to diverge outward c. glumes are short, hardened and usually rounded at the tip d. blades are short e. some rhizomes present f. blunt glumes basin wildrye Leymus cinereus PNC Poaceae/Triticeae a. tall grass to 2 m; was "stirrup-high" as pioneers traveled through valleys in NW b. leaves 5 to 15 mm wide, long; culms harsh - pubescent about the nodes c. inflorescence around 15 cm long, lemmas pubescent d. grows in better sites in sagebrush areas e. glumes are wide at the base and narrow into awns squirreltail Elymus elymoides PNC Poaceae/Triticeae a. cool-season grass with spike inflorescence b. leaves and sheath covered with velvet-like pubescence c. 2 spikelets/node d. the entire glume is awn - like ; contrast to genus
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Lab 6 or 10 - Lab 10 - Sagebrush Grasslands and Salt Desert...

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