Asteraceae

Ambrosia artemisiifolia (Common ragweed)

Identification tips Tip #1: to remember the scientific name, the name of the genus comes from the Greek "food of the gods", traditionally considers the food of the gods a dessert called ambrosia and I like to think that the goddess of hunting Artemis loved this dessert, so they named this species as ambrosia armesisiifolia.

Ambrosia trifida (Giant ragweed)

Identificação tips Tip #1: to remember the scientific name, the name of the genus comes from the Greek ưμβροσία "food of the gods", traditionally one considers the food of the gods a dessert called ambrosia, already trifida comes from the Latin crossing or crossroads, due to the characteristic of leaves and knots.

Arctium minus (Common burdock)

Identification tips Tip #1: the name of the genus comes from the Greek arktos, bear, perhaps alluding to seed wrappers resembling a bear, minus comes from Latin, which means less.

Artemisia biennis (Biennial wormwood)

Identification tips Tip #1: genus Artemisia via Latin from Greek, 'wormwood', in honor of the goddess Artemis,to whom it was sacred, biannual biennis. Plant shape 2º Identification tip: artemisia biennis grows slowly after emergence, remaining as a rosette until summer, when plants shoot and growth becomes rapid.

Carduus nutans (Musk thistle)

Identification tips Tip #1: the name of the genus Carduus is from Latin to "thistlel-like plant". thistlel It is related to the word Cardonnacum ("a place of chardons or thistles"), which is the origin of Chardonnay,the name of the grape variety.

Cirsium arvense (Canada thistle)

Identification tips Tip #1: the genus cirisium's name comes from the Greek kirsion,which means swollen vein; an allusion to the use of this plant in antiquity in the treatment of swollen veins.

Cirsium vulgare (Bull thistle)

Identification tips Tip #1: the genus name Cirisium comes from the Greek kirsion, which means swollen vein; an allusion to the use of this plant in antiquity in the treatment of swollen veins.

Crepis tectorum (Narrowleaf hawksbeard)

Identification tips Tip #1: The genus Crepis derives from the Greek krepis, which means "slipper" or "sandal", possibly in reference to the shape of the fruit. The species came from the Latin tectưr: wall decorator, plasterer, painter.

Cyclachaena xanthiifolia (Marshelder)

Identification tips Tip #1: The name of the genus comes from the Greek cyclo meaning circular, xanthi comes from yellow latin and folia means leaf. So it would be something like yellow circular leaf, but what is yellow in the plant is the flower.

Erigeron canadensis (Horseweed)

Identification tips Tip #1: the genus comes from the Greek ēri 'early' + 'old' gerōn (because the plant blooms at the beginning of the year and some biotypes become become grayish, old looking, over time.