Published October 20, 2022 | Version v1
Taxonomic treatment Open

Taraxacum fontanosquameum van Soest 1959

  • 1. Institute of Botany of the Czech Academy of Sciences, CZ- 25243 Průhonice 1, Czech Republic. & jan. stepanek @ ibot. cas. cz; https: // orcid. org / 0000 - 0003 - 4038 - 1998
  • 2. Institute of Botany of the Czech Academy of Sciences, CZ- 25243 Průhonice 1, Czech Republic. & jan. kirschner @ ibot. cas. cz; https: // orcid. org / 0000 - 0002 - 6303 - 713 X

Description

Taraxacum fontanosquameum van Soest (1959: 110)

Type:— L, no. det. 19642, holotype (herb. van Soest 19359)!

Doll (1978: 642–643):—“Von uns mehrfach bei der Musalla-Hütte in ca. 2500 m Höhe in grasigen Weiden gesammelt“.

Herbarium voucher specimens:—In the Bulgarian collection in JE, there is a single rich gathering under the name of T. fontanosquameum, divided in two herbarium sheets, labelled: Flora von Bulgarien, Rila-Gebirge, Musalla-Hütte, Weg. 12 Jul [19]76, R. Doll [as Taraxacum fontanosquameum] (JE, no. det. 19263). Sheet I contains three plants in flower (pollen present, irregular). Sheet II bears two plants in flower and with unripe achenes (again, pollen present, irregular). The material became brown but seems to be homogeneous taxonomically.

Interpretation:— Taraxacum fontanosquameum differs substantially in the leaf shape from the Bulgarian plants, and we cannot accept the Bulgarian material as a representative of this taxon.

Notes

Published as part of Štěpánek, Jan & Kirschner, Jan, 2022, A hotspot of endemism: Oreophytic Taraxacum species (Compositae, Crepidinae) in the mountains of Bulgaria, pp. 1-139 in Phytotaxa 569 (1) on page 12, DOI: 10.11646/phytotaxa.569.1.1, http://zenodo.org/record/7235182

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Linked records

Additional details

Biodiversity

Collection code
L
Family
Asteraceae
Genus
Taraxacum
Kingdom
Plantae
Order
Asterales
Phylum
Tracheophyta
Scientific name authorship
van Soest
Species
fontanosquameum
Taxon rank
species
Type status
holotype
Taxonomic concept label
Taraxacum fontanosquameum Soest, 1959 sec. Štěpánek & Kirschner, 2022

References

  • van Soest, J. L. (1959) Alpine species of Taraxacum. Acta Botanica Neerlandica 8: 77 - 138. https: // doi. org / 10.1111 / j. 1438 - 8677.1959. tb 00013. x
  • Doll, R. (1978) Zur Taraxacum-Flora des Rila-Gebirges. Feddes Repertorium 88 (9 - 10): 629 - 643 + Plates LXXI - LXXV. https: // doi. org / 10.1002 / fedr. 19780880904