Viscum combreticola Viscum combreticola Viscum combreticola, the Combretum mistletoe, is a leafless, dioecious mistletoe shrub, occurring from southern to tropical Africa, in a broad zone following the Rift Valleys. Though it is typically a hemiparasite of "Combretum" species, it may also be found on "Terminalia" (Combretaceae), "Acacia", "Croton", "Diplorhynchus", "Dombeya", "Heteropyxis", "Maytenus", "Melia", "Strychnos" or "Vangueria". The much-branched twigs are flattened, ribbed and divided into clear segments. The brittle olive to olive-green segments exude a watery sap when broken. Their sessile fruit, usually in pairs, grow from the segment joints. They are ellipsoid berries of 6-7 mm in diameter, that are warty
What Is and What Should Never Be and What Should Never Be" was performed live at Led Zeppelin concerts between 1969 and 1973. A live version taken from a performance at the Royal Albert Hall in 1970 can be seen on the "Led Zeppelin DVD". Another was included on disc two of the live triple album "How The West Was Won". Two more versions were included in BBC Sessions. What Is and What Should Never Be "What Is and What Should Never Be" is a song by English rock band Led Zeppelin. It was written by Jimmy Page and Robert Plant and was included as the second