Carduus is a genus of flowering plants in the family Asteraceae, and the tribe Cardueae, one of two genera considered to be true thistles, the other being Cirsium. [2] Plants of the genus are …

Carduus nutans is a biennial plant in the daisy and sunflower family Asteraceae with the common names musk thistle, [1] nodding thistle, and nodding plumeless thistle. It is native to regions of …

Plumeless Thistle resembles Bull Thistle (Cirsium vulgare), whose flowers are larger and leaves hairier, but is more closely related to Nodding Thistle (Carduus nutans), whose flowers are …

Carduus is a genus of flowering plants in the aster family, Asteraceae, and the tribe Cynareae, one of two genera considered to be true thistles, the other being Cirsium. Plants of the genus …

Carduus thistles are winter annuals or biennials with prickly leaves and stems with prickly wings. Plumeless thistle and musk thistle grow to 5 ft tall. They are closely related and may hybridize. …

Carduus nutans. Other Common Names. Nodding Plumeless Thistle Plant Category. Biennial Invasive Description. Native to Eurasia, Musk Thistle was possibly accidentally introduced in …

Carduus pycnocephalus, with common names including Italian thistle, Italian plumeless thistle, and Plymouth thistle, [1] is a species of thistle. It is native to the Mediterranean region in …

Carduus cinereus is new to North America. A revised key to the species of Carduus in North Americais presented. Key Words: Asteraceae, Carduus cinereus, taxonomy, non-native, …

[Wikipedia] Origins: Carduus pycnocephalus, with common names including Italian thistle, Italian plumeless thistle, and Plymouth thistle, is a species of thistle. It is native to: the Mediterranean …

Carduus crispus: undersurface of leaves with two types of hairs: longer, curling, septate hairs on the veins and sparse, woolly hairs inbetween (vs. C. anthoides, with the undersurface of …