Template:Johnston, 1930

• Johnston, I.M. 1930. Studies in the Boraginaceae,―VIII. Contributions from the Gray Herbarium of Harvard University 92: 1, 3–95. JSTOR BHL  
  • Note: Herbarium codes different from those in Index Herbariorum (see p. 4):
    • 'BB': Barbey-Boissier Herbarium at Geneva [= G];
    • 'BD': B;
    • 'DC': Prodromus Herbarium [...] in Geneva [now G-DC];
    • 'DL': Delessert Herbarium at Geneva [now G];
    • 'RS': S.
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