1 "Trophophore 1--2(3) per caudex, separated from sporophore +- at ground, blade lanceolate, < 3(4) cm, < 1 cm wide, tip acuminate or mucronate" "Ophioglossum californicum" 1 "Trophophore 1 per caudex, separated from sporophore well above ground, blade oblanceolate to obovate, generally 4--10 cm, 1.8--4 cm wide, tip rounded" "Ophioglossum pusillum"