- 2021-05-08. Anderberg,
Trift & Källersjö 2000 Compton,
Clennett &
Culham 2004
Yesson &
Culham 2006 Radford,
Edwin (1961).
Encyclopaedia of superstitions. Christina...
- 2013, p. 69. Leat et al. 2013, p. 70. Leat et al. 2013, p. 73. Rogers,
Yesson &
Gravestock 2015, p. 24.
Baker 1978, p. 8. Liu et al. 2020, p. 14. Holdgate...
- 13–20. Bibcode:1996PSyEv.200...13Z. doi:10.1007/BF00984745. S2CID 44056978.
Yesson C,
Russell SJ,
Parrish T,
Dalling JW,
Garwood NC (2004). "Phylogenetic framework...
- .77P. doi:10.1007/s006060200012. S2CID 35829880. Töpel M,
Antonelli A,
Yesson C,
Eriksen B (2012). "Past
climate change and
plant evolution in Western...
- books, ISBN 978-0-9538134-4-5,
cited in Bárcenas,
Yesson &
Hawkins 2011 Bárcenas,
Rolando T.;
Yesson,
Chris & Hawkins,
Julie A. (2011), "Molecular systematics...
- 318.
Lynch et al. 2016, p. 1615.
LeMasurier et al. 1990, p. 361. Rogers,
Yesson &
Gravestock 2015, p. 22.
Nowell 2019, p. 192.
Holdgate &
Baker 1979, p...
- Oregon:
Timber Press, ISBN 978-0-88192-498-5, p. 101 Bárcenas,
Rolando T.;
Yesson,
Chris & Hawkins,
Julie A. (2011), "Molecular
systematics of the Cactaceae"...
-
Britton & Rose
Eulychnocactus Backeb. (nom. inval.) Barcenas,
Rolando T.;
Yesson,
Chris & Hawkins,
Julie A. (2011), "Molecular
systematics of the Cactaceae"...
- 2016, p. 293. Hart &
Convey 2018, p. 21. Rogers,
Yesson &
Gravestock 2015, p. 40. Rogers,
Yesson &
Gravestock 2015, p. 153. Liu et al. 2020, p. 3. USGS...
- 1177–1188, doi:10.3732/ajb.92.7.1177, PMID 21646140 Bárcenas,
Rolando T.;
Yesson,
Chris & Hawkins,
Julie A. (2011), "Molecular
systematics of the Cactaceae"...