FIG. 2 in On the synonymization of Acaulon longifolium Herrnst. & Heyn with Acaulon fontiquerianum Casas & Sérgio (Pottiaceae)

FIG. 2. — SEM images of spores of Acaulon fontiquerianum Casas & Sérgio. A, D, G, general view; B, F, H, baculae and glomeruli; C, E, detail of branched-dentate baculae apices. (A-C from Israel, VAL-Briof. 12140; D-F from Israel, VAL-Briof. 12136; G from Spain, VAL-Briof. 11873; H from Portugal, LISU 269143, VAL-Briof. 11875). Scale bars: A, 5 µm; B, E, H, 1 µm; C, 0.5 µm; D, G, 6 µm; F, 2 µm.