Monographs Details: Lagenocarpus rigidus subsp. tenuifolius (Boeckeler) T.Koyama & Maguire
Authority: Maguire, Bassett. 1965. The Botany of the Guayana Highland. Mem. New York Bot. Gard. 12 (3): 1-285.
Family:Cyperaceae
Description:Distribution and Ecology - Distribution. Scattered on the highland in southeastern Brazil covering Goias, Minas Gerais and Sao Paulo. BRAZIL. Without definite locality, Glaziou 17874 (C), 20099; Goias, region of Chapada dos Veadeiros at 47° 30' W , 14° 30' S, wet spring area among some rocks on gentle slope, 10 k m from Veadeiros on Cavalcante Rd., alt. 5600 ft, Dawson 14773 (US) ; Serra da Lapa, in pratis arenosis, Riedel 944 (B, type of L. lapaensis; F, photo; K, syntype of L. tenuifolius var. Biedelii; U S , isotype) ; Serra da Lapa in glareosis, Riedel 1126 (US) ; S. Bartholomeo, Glaziou 15595 (B, type of Cryptangium tenuifolium; F, P, isotypes); Minas Gerais: without definite locality, Glaziou 20056, 20057 & 20058 (K, syntypes of L. brevirostris; B, isosyntype; F, US, photo of isosyntype); Cipo, Glaziou 20054 (K, syntype of L. inversus; F, isosyntype and photo); Serra do Cipo, 115 km, estrada para Conceigao, Magalhaes 18951; summit of Serra do Cipo, 112-128 km, on road from Hotel Chapeu do Sol, alt. 1200-1300 m, Maguire, Magalhaes d; Maguire 49079; Serro, Alto do Pico, Itambe, campo humido, Magalhaes 1707.

Discussion:Cryptangium tenuifolium Bocklr., Cyp. Nov. (Beitr. Kennt. Cyp.) Heft 1, 32. 1888. Cryptangium brevifolium Bocklr., Allg. Bot. Zeitschr. 2: 143. 1896. Syn. nov. Lagenocarpus tenuifolius (Bocklr.) C. B. Clarke, Kew Bull. Add. Ser. 8, 64. 1908. Lagenocarpus tenuifolius C. B. Clarke var. Biedelii C. B. Clarke, Kew Bull. Add. Ser. 8, 64. 1908. Syn. nov. Lagenocarpus brevirostris C. B. Clarke, Kew Bull. Add. Ser. 8, 65. 1908. Syn. nov. Lagenocarpus inversus C. B. Clarke, Kew Bull. Add. Ser. 8, 64. 1908. Syn. nov. Lagenocarpus tremulus Nees var. brevifolius (Bocklr.) H. Pfeiffer in Fedde, Eepert. Sp. Nov. 18: 75. 1922. Ex parte, quoad basionym. Lagenocarpus lapaensis H. Pfeiffer in Fedde, Eepert. Sp. Nov. 18: 86. 1922. Syn. nov.
Distribution:Brazil South America|