Key to Species: 18

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1b hair points not dentate >2b high, conical papillae lacking > 5b leaves with hair points > 13b pellucid alar border absent > 15b leaf margins bistratose >

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Bucklandiella occidentalis; Slagle Creek, Jackson Co., Oregon. DHW 9488a.

18a Costa with abaxial grooves and low ridges (must make sections to see clearly); grooves present in the distal half of most leaves; relatively pale olive green; frequent if not common
Bucklandiella occidentalis (Hedw.) Bednarek-Ochyra & Ochyra

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Bucklandiella sudetica; Cherry Peak, Klamath Co., Oregon. DHW 8117.

18b Costa smoothly rounded abaxially in section, usually convex, not grooved or ridged except sometimes in the lowermost (basal) part of leaf; often dark green, blackish, or dark reddish-brown
Couplet 19

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Created 2007 Northwest Botanical Institute