Taxonomy: Fam. Compositae// Genus: Symphyotrichum// Species: Symphyotrichum squamatum (Spreng.) G. L. Nesom. Determined according to the botanical key provided by Merxmüller, Schreiber and Yeo in Tutin et al. (1976) as Aster squamatus (Sprengel) Hieron., Bot. Jahrb. 29: 19 (1900). The accepted name in The Euro+Med PlantBase (Greuter, 2006+) is Symphyotrichum squamatum (Spreng.) G. L. NesomContinue reading “Symphyotrichum squamatum (Spreng.) G. L. Nesom (syn. Aster squamatus (Sprengel) Hieron)”
Monthly Archives: October 2024
Heteranthera reniformis Ruiz & Pav.
Taxonomy: Fam. Potenderiaceae// Genus: Heteranthera// Species: Heteranthera reniformis Ruiz & Pav. Determined according to the botanical keys provided by Valentine (Pontederiaceae) and Webb (Heteranthera) in Tutin et al. (1980). Lifeform: Annual or perennial aquatic plant rooted in mud; therophyte or hydrophyte according to the Raunkiær system. Distribution: Native from Central and East USA to Tropical & Subtropical America; notContinue reading “Heteranthera reniformis Ruiz & Pav.”
Erigeron annuus (L.) Pers. subsp. annuus
Taxonomy: Fam. Compositae// Genus: Erigeron// Species: Erigeron annuus (L.) Pers.// Subspecies: Erigeron annuus (L.) Pers. subsp. annuus. Determined according to the botanical key provided by Halliday (1976 in Tutin et al.). Note: some specimens from Shtalkovichka River show tendency towards Erigeron annuus subsp. septentrionalis (Fernald & Wiegand) Wagenitz, yet a well defined population is not yet recorded. Lifeform: Biennial; the first year ofContinue reading “Erigeron annuus (L.) Pers. subsp. annuus”
Mentha spicata L. subsp. spicata
Taxonomy: Fam. Lamiaceae// Genus: Mentha// Species: Mentha spicata L.// Subspecies: Mentha spicata L. subsp. spicata. Determined according to the botanical keys by Harley in Tutin et al., 1972 (to species level) and Kostadinovski in Matevski, 2021 (to subspecies level). Species variability: Two subspecies of Mentha spicata L. occur in the Osogovo region: Mentha spicata L.Continue reading “Mentha spicata L. subsp. spicata”
Mentha spicata subsp. condensata (Briq.) Greuter & Burdet
Taxonomy: Fam. Lamiaceae// Genus: Mentha// Species: Mentha spicata L.// Subspecies: Mentha spicata subsp. condensata (Briq.) Greuter & Burdet. Determined according to the botanical keys by Harley in Tutin et al., 1972 (to species level) and Kostadinovski in Matevski, 2021 (to subspecies level). Species variability: Two subspecies of Mentha spicata L. occur in the Osogovo region: Mentha spicata L. subsp. spicata and Mentha spicata subsp. condensata (Briq.) Greuter & Burdet. DistinctionContinue reading “Mentha spicata subsp. condensata (Briq.) Greuter & Burdet”
Dysphania ambrosioides (L.) Mosyakin & Clemants (syn. Chenopodium ambrosioides L.)
Taxonomy: Fam. Chenopodiaceae// Genus: Dysphania// Species: Dysphania ambrosioides (L.) Mosyakin & Clemants. Determined according to the botanical keys provided by Brenan in Tutin et al. (1964) and Micevski in Micevski (1995) as Chenopodium ambrosioides L., Sp. Pl. 219 (1753). The accepted name in The Euro+Med PlantBase (source: Uotila, 2011+) is Dysphania ambrosioides (L.) Mosyakin & Clemants in Ukrayins’k. Bot. Žurn. 59: 382.Continue reading “Dysphania ambrosioides (L.) Mosyakin & Clemants (syn. Chenopodium ambrosioides L.)”