Himachal Pradesh is extraordinary in respect of floristic diversity and shelters about 3857 species of flowering plants. During floristic investigation of the state, four notable plants namely Antenoron filiforme (Thunb.) Roberty & Vautier, Gentianella angustiflora Harry Sm., Impatiens balfourii Hook.f., and Impatiens devendrae Pusalkar were collected from the Sainj Wildlife Sanctuary (Kullu, Himachal Pradesh). Critical literature search and herbarium consultation confirm that these four species have not been reported hitherto from Himachal Pradesh. All these species have been enumerated herein along with elaborate description, flowering and fruiting period, distribution, short ecological note and collection details. In addition, field photographs have been provided for easy identification and reference.

Bothriochloa kuntzeana (Hack.) Henrard is reported here as an addition to the flora of West Bengal. A detailed description with photographs and a note on the variation of its inflorescence is provided to facilitate easy identification.

Cheilolejeunea pluriplicata (Pearson) R.M.Schust. [Lejeuneaceae: Marchantiophyta], a very little-known species, earlier recorded in India from Meghalaya only once, is reported and described here as a new distributional record from Mizoram, East Himalayan Bryo-geographical territory. A detailed description and SEM photographs of the taxon are provided.

Euphorbia serpens Kunth is being reported as addition to flora of Uttarakhand from Haridwar district. A detailed taxonomic description along with phenology and distribution of species is provided.

The Eastern Regional Centre of Botanical Survey of India at Shillong has a herbarium whose acronym or code is ASSAM. The herbarium harbours about 1,50,000 specimens of angiosperms, gymnosperms and pteridophytes collected from different parts of northeastern India. This present communication deals with the representative herbarium specimens of the family Zingiberaceae housed in ASSAM, which includes about 100-year old collections as well as specimens collected during the recent periods from different parts of northeastern India. A careful consultation/indexing of voucher specimens of Zingiberaceae revealed that the ASSAM has a total of 1,080 herbarium sheets belong to 110 species under 19 genera. Furthermore, ASSAM has about 80 type specimens representing names of 21 new species under 6 genera. The current scientific name and distributional pattern of each species are provided.