Which of the two plants, Macropidia or Hippophae, is the sole species of its kind?
Macropidia
Title: Cooperativa La Cruz Azul S.C.L.
Passage: La Sociedad Cooperativa Manufacturera de Cemento Portland La Cruz Azul, S.C.L. ("Blue Cross Portland Cement Manufacturing Cooperative Society") (C.S.L. means Co-operative Society Limited) is a Mexico-based construction industry solutions business.  La Cruz Azul means in English "The Blue Cross" is an Enterprise with social responsibility and common endeavor source of four generations for over 80 years, have left an important legacy to the society in which it operates.  It has four plants two are constituted as cooperatives and the other two established as limited companies with variable capital, called CYCNA (National Cement and Concrete).  The two cooperatives are located in Ciudad Cooperativa Cruz Azul in Hidalgo and Lagunas in State of Oaxaca.  The other two plants are located Tepezala in the state of Aguascalientes and Palmar de Bravo in the state of Puebla.
Title: Macropidia
Passage: Macropidia fuliginosa, the sole species of genus Macropidia, is a perennial rhizomatous flowering plant.  Commonly known as the black kangaroo paw, it is endemic to Southwest Australia, specifically from Perth to Geraldton in the north of the region.
Title: Hippophae
Passage: Hippophae is a genus of sea buckthorns, deciduous shrubs in the family Elaeagnaceae.  The name sea buckthorn may be hyphenated to avoid confusion with the buckthorns ("Rhamnus", family Rhamnaceae).  It is also referred to as sandthorn, sallowthorn, or seaberry.
Hippophae Macropidia