Citation: Lj. Musselman et al., ISOETES X CARLTAYLORII (ISOETES-ACADIENSIS X ISOETES-ENGELMANNII), A NEW INTERSPECIFIC QUILLWORT HYBRID FROM THE CHESAPEAKE BAY, Canadian journal of botany, 75(2), 1997, pp. 301-309
Citation: Lj. Musselman et al., ISOETES X BRUNTONII (ISOETES-ENGELMANNII X ISOETES-HYEMALIS), A NEW HYBRID QUILLWORT FROM VIRGINIA, American fern journal, 86(1), 1996, pp. 8-15