The use of molecular techniques in biological studies has rapidly grown and the tools have
become more powerful, widely available, as well as cheaper and easier to implement. For …

Creeping thistle, Cirsium arvense (L.) Scop, is one of the most common weeds in temperate
climates. Frequently classified as an invasive species, it is the cause of massive herbicide …

Premise of research. Cirsium (“thistles”), the most speciose genus in the Compositae
(Asteraceae) subfamily Carduoideae native to North America, comprises a rapid endemic …

Abstract The Suisun thistle, Cirsium hydrophilum (Greene) Jeps. var. hydrophilum
(Asteraceae), is a federally-listed tidal wetland plant species limited to occurrences along …

This special issue honors Dr. Vicki Ann Funk (26 November 1947-22 October 2019), who
passed away after a battle with an aggressive cancer (Fig. GLO: B2N8/01nov20: jse12707 …

The genus Cirsium is a member of the tribe Cardueae (Asteraceae) and is distributed in the
northern hemisphere. The Carduus-Cirsium group has a long history of taxonomic confusion …

Lineage‐based species definitions applying coalescent approaches to species delimitation
have become increasingly popular. Yet, the application of these methods and the …

In addition to its high biodiversity, the California Floristic Province contains over 1600 rare
taxa, including many endemics restricted to specific soil types and habitats. In the highly …

Cirsium (thistles) have long been considered one of the most taxonomically challenging
groups of plants in western North America. However, the relationships among thistles have …

Abstract The Mingan Archipelago along the north shore of the Gulf of St. Lawrence is well
known for the diversity and rarity of its vascular plants. This diversity is often explained by a …