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Scirpus pedicellatus (stalked woolsedge)
... 2.0 mm–5.0 mm. Inflorescence position: the inflorescence is at the tip of the plant. Inflorescence branching...
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Hieracium murorum (wall hawkweed)
... 2.5 mm–3.0 mm. Ray flowers: 26-50. Stem internode hairs: the stem has hairs betwee...
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Juncus diffusissimus (slim-fruited rush)
...mostly 2.8–3.7 mm long, approximately 1.3–1.5 times as long as the tepals (vs. J. diffisissimus, with capsules 4–5.2 mm long, approximately 2 times as long as the tepals).: Juncus debilis ...
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Juncus debilis (weak rush)
...tepals 2.6-3.9 mm long (vs. J. debilis, with tepals evidently shorter than the mature capsules, 1.8-2.5 mm long).: Juncus acuminatus capsules 4–5.2 mm long, approximat...
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Diphasiastrum tristachyum (blue ground-cedar)
... 2.2 mm–3.5 mm. Constriction zones: there are constricted zones on the vertical stem where the leaves are smaller smaller or closer to...
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Eleocharis ambigens (ambiguous spikesedge)
...into 2 parts, not 3 as in E. fallax, and flattish achenes topped with a flattened tubercle. Habitat: brackish or salt marshes and flats, fresh tidal marshes or flats, marshes, shores of rivers or l...
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Equisetum: Dichotomous Key
... [Figs. 23, 24]; grooves of branches rounded (i.e., U-shaped in cross-section) 5a. Leaves numbering 12–24 per sheath, 1.5–3 mm long, dark throughout or with a narrow, white band [Fig. 23]...
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Carex Group 3: Dichotomous Key
...1.2–2.2 (–2.8) mm long; style base enlarged (in part) 1b. Spikes androgynous (i.e., the staminate flowers borne at the summit of the spike) 5a. Perigynium unequally biconvex ...
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Silene: Dichotomous Key
...8–20 (–25) cm tall; seeds 1.3–1.5 mm long, papillose 12b. Petals with a prominent notch, creating a 2-lobed apex; calyx lobes acute to attenuate at apex; plants (15–) 20–80 cm tall; seeds...
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Linaria: Dichotomous Key
...Corolla 25–49 mm long; leaf blades 10–40 mm wide, broad-lanceolate to ovate, 2–4 (–5) times as long as wide 5b. Corolla 13–22 mm long; leaf blades 3–15 mm wide, narrow-lanceolate to broad...