• Lithops vallis-mariae var. margarethae (Dinter & Schwantes) N.E.Br.

• Lithops vallis-mariae (Dinter & Schwantes) N.E.Br.
• Lithops villetii var. deboeri (Schwantes) D.T.Cole
• Mesembryanthemum vallis-mariae Dinter & Schwantes
• Lithops vallis-mariae C060 30 km SSW of Mariental, Namibia
• Lithops vallis-mariae C066 20 km E of Gibeon Station, Namibia
• Lithops vallis-mariae C166 110 km NNE of Keetmanshoop, Namibia
• Lithops vallis-mariae C167 (syn. margarethae) TL: Near Berseba, Namibia
• Lithops vallis-mariae C182 125 km N of Keetmanshoop, Namibia
• Lithops vallis-mariae C238 85 km NE of Keetmanshoop, Namibia
• Lithops vallis-mariae C281 TL: 15 km E of Mariental, Namibia
• Lithops vallis-mariae C282 125 km North of Keetmanshoop, Namibia.
• Lithops vallis-mariae C296 40 km SSE of Koës, Namibia
• Lithops vallis-mariae var. margarethae (Dinter & Schwantes) N.E.Br.

• Lithops vallis-mariae cv. Valley Girl S.A.Hammer

Bibliography: Major refences and further lectures
1) Heidrun E. K. Hartmann (2002) “Aizoaceae F – Z” Springer
2) Achim Hecktheuer (2008) “Mesembs, mehr als nur Lithops” Books on Demand GmbH Norderstedt. ISBN-13 978-3-8370-1724-3
3) Desmond T. Cole & Naureen A. Cole, Uwe Beyer, Yves Delange (2008) “Les Lithops” SUCCULENTES Spécial 2008 AIAPS (now Terra seca). ISSN 0258-5359
4) Desmond T. Cole & Naureen A. Cole (2005) “LITHOPS Flowering Stones” Cactus & Co. Libri. ISBN 88-900511-7-5 ISBN-13 978-88-900511-7-3
5) Yasuhiko Shimada (2001) “The Genus Lithops” Dobun Shoin. ISBN 4-8103-4066-X
6) Rudolf Heine (1986) “Lithops - Lebende Steine” Neumann Verlag. ISBN 3-7402-0000-6; ISBN-13 978-3-7402-0000-8
7) Bernd Schlösser (2000) “Lithops – Lebende Steine” Praktische Anleitung für die Zimmerkultur. BussinessPoint MEDIA. ISBN 3-934945-01-5; ISBN-13 978-3-934945-01-2
8) Steven A. Hammer (1999) “Lithops – Treasures of the veld” British Cactus and Succulent Society. ISBN 0-902-099-64-7; ISBN-13 978-0-902099-64-7
9) Desmond T. Cole (1988) “Lithops – Flowering Stones” Acorn Books CC. ISBN 0-620-09678-0; ISBN-13 978-0-620-09678-2
10) Rudolf Heine (1986) “Lithops – lebende Steine” Neumann Verlag. ISBN 3-7402-0000-6; ISBN-13 978-3-7402-0000-8
11) David L. Sprechman (1970) “Lithops” Associated University Presses, Inc. SBN 8386-6902-6
12) Gert Cornelius Nel (1946) “Lithops” Hortors Limited, South Africa