Guide to Liverworts of Oregon: Key to Anastrophyllum

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1b plants leafy > 3b leaves not divided, not ciliate > 6a oil bodies 2+ or unknown > 7b no small dorsal lobe > 10a succubous > 11a anisophyllous > 12b leaves lobed > 37b if rhizoids red, stems red > 38b shoots mostly <0.5 mm wide > 47b underleaves inconspicuous > 50b leaves spreading or remote > 52a leaves transverse > 53a Leaf lobe >10 cells wide > Anastrophyllum

1b plants leafy > 3b leaves not divided, not ciliate > 6a oil bodies 2+ or unknown > 7b no small dorsal lobe > 10a succubous > 11a anisophyllous > 12b leaves lobed > 37b if rhizoids red, stems red > 38a shoots wider than 1 mm > 39b underleaves inconspicuous > 55a leaves transverse > 56b leaf lobes equal > 57a trigones lacking > Anastrophyllum

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Mystery Hills, Kenai National Wildlife Refuge, Alaska. Ed Berg B091.

1a Cell walls evenly thickened, basal cells rectangular
Anastrophyllum minutum

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Basal leaf cells with oil bodies. Goodman Creek, Jefferson County, Washington. DHW m1129a.

1b Cell walls not evenly thickened, trigones concave, basal cells elongated
Anastrophyllum sphenoloboides

GO BACK ONE STEP (if shoots mostly <0.5 mm wide)

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GO BACK ONE STEP (if shoots wider than 1 mm)

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